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203 Area Code

About Area Code 203

State: Connecticut
Major City: Bridgeport
Timezone: Eastern (1:41am)
Short URL: allareacodes.com/203
Download: Download this data

Area Code 203 Map

  • Bridgeport, CT
  • Danbury, CT
  • East Haven, CT
  • Meriden, CT
  • Milford, CT
  • Naugatuck, CT
  • New Haven, CT
  • North Haven, CT
  • Norwalk, CT
  • Shelton, CT
  • Stamford, CT
  • Stratford, CT
  • Trumbull, CT
  • Waterbury, CT
  • West Haven, CT
  • Westport, CT

More About Area Code 203

Area code 203 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served the entire state of Connecticut. In 1995, area code 860 was created as an overlay to area code 203. In 2009, area code 475 was created as an overlay to area code 203. Currently, the largest city it serves is Bridgeport, CT, and it overlaps coverage areas with area code 475.

Overview of Active Prefixes

Assigned to Carrier

Usage

Carriers

Active Phone Number Prefixes

Prefix
Usage
Primary City
Carrier
Introduced
Landline
New Haven
Bandwidth.com Clec
Introduced 08/14/2008
Wireless
New Haven
Usa Mobility Wireless
Introduced 01/10/1996
Landline
Darien
Cablevision Lightpath
Introduced 04/01/1997
Landline
Guilford
Teleport Communications America
Introduced 04/01/1997
Landline
Danbury
Southern New England Telephone Co.
Introduced 04/01/1997
Wireless
Waterbury
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Branford
Comcast Phone Of Connecticut
Introduced 04/01/1997
Landline
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
Landline
Wilton
Cablevision Lightpath
Introduced 02/27/1999
Wireless
Bridgeport
New Cingular Wireless PCS - DC
Introduced 10/23/2008
Wireless
Meriden
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Wireless
Westport
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Wireless
Waterbury
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Wireless
Bridgeport
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Wireless
Stamford
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Landline
Trumbull
Cablevision Lightpath
Introduced 01/25/1998
Landline
Westport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Westport
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Stamford
Sprint Spectrum L.p.
Introduced 04/01/1997
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 01/11/1997
Landline
Huntington
Southern New England Telephone Co.
Introduced 01/11/1997
Landline
Westport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Westport
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Waterbury
Cellco Partnership DBA Verizon Wireless
Introduced 10/04/2002
Landline
Norwalk
Southern New England Telephone Co.
Introduced 01/25/1998
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Derby
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
Waterbury
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
Waterbury
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 01/11/1997
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
Huntington
Cablevision Lightpath
Introduced 01/25/1998
Wireless
Bridgeport
Omnipoint Communications
Introduced 04/01/1997
Landline
Ridgefield
Cablevision Lightpath
Introduced 03/28/2003
Landline
Madison
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Norwalk
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
Norwalk
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Stamford
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
Cheshire
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 01/11/1997
Landline
Stamford
Cablevision Lightpath
Introduced 10/13/1999
Wireless
Stamford
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
Fairfield
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Fairfield
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Fairfield
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
Fairfield
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Bridgeport
New Cingular Wireless PCS - DC
Introduced 07/22/1999
Landline
Trumbull
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Southbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Woodbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Southbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Wallingford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Woodbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Southbury
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Trumbull
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Wallingford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Newtown
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Cheshire
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Cheshire
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Stamford
Cellco Partnership DBA Verizon Wireless
Introduced 10/22/2002
Wireless
Stamford
New Cingular Wireless PCS - DC
Introduced 04/01/1997
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 01/29/2008
Landline
Stamford
Cablevision Lightpath
Introduced 03/28/2003
Landline
Old Greenwich
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/16/2003
Wireless
Derby
Omnipoint Communications
Introduced 05/01/2001
Wireless
Bridgeport
Usa Mobility Wireless
Introduced 04/01/1997
Landline
Darien
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 03/24/2004
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Stamford
Usa Mobility Wireless
Introduced 04/01/1997
Landline
Milford
Cablevision Lightpath
Introduced 04/01/1997
Landline
Wallingford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Teleport Communications America
Introduced 04/01/1997
Landline
Norwalk
Conversent Communications Of Connecticut
Introduced 07/22/1999
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Danbury
Usa Mobility Wireless
Introduced 04/01/1997
Wireless
Bridgeport
Omnipoint Communications
Introduced 11/14/2013
Landline
Westport
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Fairfield
Cablevision Lightpath
Introduced 04/01/1997
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
Wallingford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
Bridgeport
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
Danbury
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
New Haven
Cablevision Lightpath
Introduced 04/01/1997
Landline
Norwalk
Southern New England Telephone Co.
Introduced 04/01/1997
Wireless
Danbury
Omnipoint Communications
Introduced 10/25/2001
Landline
Milford
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Greenwich
Teleport Communications Group - NY
Introduced 01/14/2000
Landline
Wallingford
Teleport Communications America
Introduced 04/01/1997
Landline
Newtown
Teleport Communications America
Introduced 10/11/1997
Wireless
Derby
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Landline
Milford
Choice One Communications
Introduced 08/20/2000
Landline
Fairfield
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 01/31/2005
Wireless
Derby
Cellco Partnership DBA Verizon Wireless
Introduced 10/22/2008
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 09/11/2007
Landline
New Canaan
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/16/2003
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/11/1995
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
Branford
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Madison
Southern New England Telephone Co.
Introduced 07/04/1995
Landline
Fairfield
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Darien
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/16/2003
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Greenwich
Cablevision Lightpath
Introduced 08/19/2003
Landline
Westport
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Bridgeport
Usa Mobility Wireless
Introduced 04/01/1997
Wireless
Derby
New Cingular Wireless PCS - DC
Introduced 01/18/2012
Landline
Old Greenwich
Cablevision Lightpath
Introduced 01/25/1998
Landline
Bridgeport
Cablevision Lightpath
Introduced 01/25/1998
Landline
Waterbury
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Greenwich
Level 3 Communications
Introduced 03/11/2004
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Westport
Teleport Communications America
Introduced 01/25/1998
Landline
Madison
Teleport Communications America
Introduced 04/01/1997
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Cablevision Lightpath
Introduced 01/25/1998
Landline
Stamford
Cablevision Lightpath
Introduced 01/25/1998
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Bridgeport
Metro PCS
Introduced 12/10/2008
Landline
New Haven
Level 3 Communications
Introduced 12/16/2010
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Newtown
Southern New England Telephone Co.
Introduced 01/25/1998
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Old Greenwich
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 10/07/2003
Wireless
New Haven
American Messaging (am)
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Meriden
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
New Haven
Usa Mobility Wireless
Introduced 02/04/1994
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 01/25/1998
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Norwalk
Usa Mobility Wireless
Introduced 02/04/1994
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Wireless
Trumbull
New Cingular Wireless PCS - DC
Introduced 02/19/2002
Landline
New Haven
Southern New England Telephone Co.
Introduced 07/04/1995
Landline
Huntington
Southern New England Telephone Co.
Introduced 01/25/1998
Landline
Ridgefield
Teleport Communications America
Introduced 01/25/1998
Landline
New Haven
Broadwing Communications
Introduced 01/25/1998
Landline
Woodbury
Paetec Communications
Introduced 04/04/2001
Landline
Stamford
Southern New England Telephone Co.
Introduced 07/04/1995
Landline
New Haven
Southern New England Telephone Co.
Introduced 07/04/1995
Landline
Redding
AT&T Local
Introduced 01/25/1998
Landline
Old Greenwich
Teleport Communications America
Introduced 01/25/1998
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 01/25/1998
Wireless
New Haven
American Messaging (am)
Introduced 07/04/1995
Landline
Greenwich
Paetec Communications - NY
Introduced 01/14/2000
Wireless
Bridgeport
New Cingular Wireless PCS - DC
Introduced 01/10/1996
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 04/12/2001
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 01/25/1998
Wireless
Danbury
New Cingular Wireless PCS - DC
Introduced 01/10/1996
Landline
Fairfield
Teleport Communications America
Introduced 04/01/1997
Landline
Waterbury
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Madison
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Greenwich
Verizon New York
Introduced 05/10/1999
Landline
Wilton
Teleport Communications America
Introduced 04/01/1997
Wireless
Danbury
Sprint Spectrum L.p.
Introduced 06/29/2007
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Newtown
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Meriden
Mcimetro Access Transmission Services LLC
Introduced 04/01/1997
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 02/04/1994
Landline
Ridgefield
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Branford
Comcast Phone Of Connecticut
Introduced 04/01/1997
Wireless
Norwalk
Omnipoint Communications
Introduced 01/25/1998
Wireless
New Haven
Omnipoint Communications
Introduced 01/25/1998
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
Ridgefield
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Cheshire
Cox Connecticut Telecom
Introduced 01/25/1998
Landline
Meriden
Cox Connecticut Telecom
Introduced 01/25/1998
Landline
Wolcott
Teleport Communications America
Introduced 01/25/1998
Landline
New Canaan
Teleport Communications America
Introduced 01/25/1998
Landline
Meriden
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 04/01/1997
Landline
Trumbull
Southern New England Telephone Co.
Introduced 01/25/1998
Landline
Derby
Teleport Communications America
Introduced 10/11/1997
Landline
Huntington
Teleport Communications America
Introduced 04/01/1997
Landline
Danbury
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 01/25/1998
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 05/12/2008
Landline
Westport
New Cingular Wireless PCS - DC
Introduced 02/04/1994
Landline
Trumbull
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Guilford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Westport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 12/06/2011
Landline
Guilford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Guilford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Trumbull
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
AT&T Local
Introduced 04/01/1997
Landline
Stamford
Southern New England Telephone Co.
Introduced 09/11/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Seymour
Teleport Communications America
Introduced 01/25/1998
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Landline
Waterbury
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Unknown
Southern New England Telephone Co.
Introduced
Unknown
Southern New England Telephone Co.
Introduced
Unknown
Southern New England Telephone Co.
Introduced
Unknown
Southern New England Telephone Co.
Introduced
Unknown
Southern New England Telephone Co.
Introduced
Wireless
New Haven
Usa Mobility Wireless
Introduced 07/01/1996
Unknown
Southern New England Telephone Co.
Introduced
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Fairfield
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 01/25/1998
Landline
Branford
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Danbury
New Cingular Wireless PCS - DC
Introduced 03/23/2001
Landline
Branford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Northford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Greenwich
Cablevision Lightpath
Introduced 01/25/1998
Landline
Southbury
Southern New England Telephone Co.
Introduced 10/11/1997
Landline
Stamford
Global Crossing Local Services-ct
Introduced 01/03/2001
Landline
Branford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Greenwich
Cablevision Lightpath
Introduced 05/25/2011
Landline
Naugatuck
Teleport Communications America
Introduced 01/25/1998
Landline
Newtown
Bandwidth.com Clec
Introduced 02/12/2010
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Redding
Level 3 Communications
Introduced 01/25/1998
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Greenwich
Sprint Spectrum L.p.
Introduced 01/25/1998
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 10/25/2001
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 07/09/2010
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
New Haven
Southern New England Telephone Co.
Introduced 10/11/1997
Landline
Stamford
Ctc Communications Corp.
Introduced 02/12/2004
Landline
Norwalk
Cellco Partnership DBA Verizon Wireless
Introduced 02/27/1999
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 01/25/1998
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 06/30/2001
Landline
New Haven
Ctc Communications Corp.
Introduced 02/03/2005
Wireless
Waterbury
Sprint Spectrum L.p.
Introduced 01/25/1998
Wireless
Waterbury
Sprint Spectrum L.p.
Introduced 07/22/1999
Wireless
Danbury
Omnipoint Communications
Introduced 01/25/1998
Landline
New Haven
AT&T Local
Introduced 04/01/1997
Landline
Meriden
Teleport Communications America
Introduced 01/10/1996
Wireless
Norwalk
Sprint Spectrum L.p.
Introduced 02/27/1999
Landline
Derby
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Stamford
Level 3 Communications
Introduced 10/13/1999
Wireless
Waterbury
New Cingular Wireless PCS - DC
Introduced 07/02/2001
Wireless
Waterbury
Sprint Spectrum L.p.
Introduced 02/09/2011
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 05/30/2002
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
Bridgeport
New Cingular Wireless PCS - DC
Introduced 01/25/1998
Landline
Norwalk
Teleport Communications America
Introduced 04/01/1997
Wireless
Stamford
New Cingular Wireless PCS - DC
Introduced 01/25/1998
Wireless
Waterbury
New Cingular Wireless PCS - DC
Introduced 01/25/1998
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 10/13/1999
Landline
Waterbury
Southern New England Telephone Co.
Introduced 01/25/1998
Landline
Waterbury
Level 3 Communications
Introduced 10/13/1999
Landline
Wilton
AT&T Local
Introduced 04/01/1997
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Greenwich
Verizon New York
Introduced 01/10/1996
Landline
Greenwich
Verizon New York
Introduced 01/10/1996
Landline
Guilford
Level 3 Communications
Introduced 01/25/1998
Wireless
Bridgeport
Southern New England Telephone Co.
Introduced 09/11/1994
Landline
New Haven
Comcast Phone Of Connecticut
Introduced 04/01/1997
Wireless
Stamford
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Wireless
Meriden
Sprint Spectrum L.p.
Introduced 01/25/1998
Landline
Huntington
Choice One Communications
Introduced 08/20/2000
Landline
Stamford
Southern New England Telephone Co.
Introduced 06/13/2000
Wireless
Bridgeport
New Cingular Wireless PCS - DC
Introduced 01/31/2005
Landline
Stamford
Southern New England Telephone Co.
Introduced 10/13/1999
Landline
Greenwich
AT&T Local
Introduced 04/01/1997
Wireless
Bridgeport
Omnipoint Communications
Introduced 08/20/2000
Landline
Redding
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 08/20/2000
Landline
Danbury
Teleport Communications America
Introduced 04/01/1997
Landline
Stamford
Global Naps
Introduced 07/22/1999
Landline
Stamford
Broadwing Communications
Introduced 05/30/2002
Landline
Bridgeport
Choice One Communications
Introduced 08/20/2000
Wireless
Stamford
Omnipoint Communications
Introduced 01/25/1998
Landline
Bridgeport
Teleport Communications America
Introduced 10/11/1997
Landline
Greenwich
Verizon New York
Introduced 01/10/1996
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Stamford
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Wireless
Bridgeport
New Cingular Wireless PCS - DC
Introduced 02/04/1994
Landline
Westport
Cablevision Lightpath
Introduced 01/25/1998
Wireless
Waterbury
New Cingular Wireless PCS - DC
Introduced 01/14/2000
Landline
Darien
Teleport Communications America
Introduced 04/01/1997
Wireless
Waterbury
New Cingular Wireless PCS - DC
Introduced 01/25/1998
Wireless
Stamford
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Wilton
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Stamford
AT&T Local
Introduced 04/01/1997
Wireless
Waterbury
Sprint Spectrum L.p.
Introduced 07/22/1999
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 02/04/2003
Landline
Huntington
Paetec Communications
Introduced 01/14/2000
Landline
Waterbury
Paetec Communications
Introduced 01/14/2000
Landline
Stamford
Cablevision Lightpath
Introduced 08/20/2000
Wireless
Stamford
Omnipoint Communications
Introduced 03/26/2001
Landline
Westport
AT&T Local
Introduced 04/01/1997
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 07/13/2007
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Greenwich
Peerless Network Of Connecticut
Introduced 10/02/2012
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 01/14/2000
Landline
Bridgeport
Level 3 Communications
Introduced 10/13/1999
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 07/09/2010
Landline
Stamford
Southern New England Telephone Co.
Introduced 01/14/2000
Landline
Woodbury
Teleport Communications America
Introduced 04/01/1997
Landline
Redding
Cablevision Lightpath
Introduced 08/20/2000
Landline
Stamford
Cablevision Lightpath
Introduced 07/22/1999
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 08/20/2000
Landline
Trumbull
Level 3 Communications
Introduced 03/18/2011
Landline
Waterbury
Southern New England Telephone Co.
Introduced 09/11/1994
Wireless
Waterbury
New Cingular Wireless PCS - DC
Introduced 02/04/1994
Wireless
Norwalk
Usa Mobility Wireless
Introduced 09/11/1994
Landline
New Canaan
Cablevision Lightpath
Introduced 10/13/1999
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Meriden
AT&T Local
Introduced 04/01/1997
Wireless
Meriden
Metro PCS
Introduced 10/03/2008
Landline
Trumbull
Teleport Communications America
Introduced 07/01/1996
Landline
Stamford
Southern New England Telephone Co.
Introduced 01/25/1998
Landline
New Haven
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
Stamford
Broadwing Communications
Introduced 03/14/2001
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 01/10/1996
Wireless
New Haven
Omnipoint Communications
Introduced 03/03/2001
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 02/04/2003
Landline
Meriden
Paetec Communications
Introduced 01/14/2000
Landline
Stamford
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
Bridgeport
Conversent Communications Of Connecticut
Introduced 06/30/2001
Landline
Bridgeport
Global Crossing Local Services-ct
Introduced 03/03/2001
Wireless
Norwalk
Sprint Spectrum L.p.
Introduced 06/13/2000
Landline
Stamford
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
Danbury
Global Crossing Local Services-ct
Introduced 03/03/2001
Wireless
Danbury
Sprint Spectrum L.p.
Introduced 09/05/2006
Landline
Greenwich
Verizon New York
Introduced 04/01/1997
Landline
New Haven
Southern New England Telephone Co.
Introduced 10/15/1996
Landline
Darien
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 07/19/2004
Landline
Darien
Paetec Communications
Introduced 01/14/2000
Landline
Greenwich
Verizon New York
Introduced 02/04/1994
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Greenwich
Verizon New York
Introduced 02/04/1994
Landline
New Haven
AT&T Local
Introduced 04/01/1997
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 07/22/1999
Landline
Danbury
Cablevision Lightpath
Introduced 10/13/1999
Landline
Greenwich
Verizon New York
Introduced 02/04/1994
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Meriden
New Cingular Wireless PCS - DC
Introduced 02/04/1994
Landline
Naugatuck
Choice One Communications
Introduced 08/20/2000
Landline
Wolcott
Level 3 Communications
Introduced 01/25/1998
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Level 3 Communications
Introduced 10/13/1999
Landline
Darien
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 09/14/2004
Landline
Old Greenwich
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Trumbull
Paetec Communications
Introduced 10/13/1999
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 02/04/1994
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
Branford
Choice One Communications
Introduced 08/20/2000
Wireless
Norwalk
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 01/14/2000
Landline
Branford
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Milford
Paetec Communications
Introduced 10/13/1999
Landline
Danbury
Level 3 Communications
Introduced 10/13/1999
Landline
Cheshire
Paetec Communications
Introduced 01/14/2000
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 03/26/2001
Landline
Cheshire
Choice One Communications
Introduced 08/20/2000
Landline
Stamford
Paetec Communications
Introduced 01/14/2000
Landline
Stamford
Paetec Communications
Introduced 10/13/1999
Landline
New Haven
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Darien
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Darien
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
New Haven
American Messaging (am)
Introduced 08/20/2000
Landline
Stamford
Teleport Communications America
Introduced 08/20/2000
Landline
Fairfield
Paetec Communications
Introduced 10/13/1999
Landline
Greenwich
Global Crossing Local Services-ct
Introduced 01/03/2001
Landline
Greenwich
Verizon New York
Introduced 02/04/1994
Landline
Darien
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Paetec Communications
Introduced 10/13/1999
Landline
Redding
Cablevision Lightpath
Introduced 01/14/2000
Landline
Stamford
Paetec Communications
Introduced 10/13/1999
Landline
Bridgeport
Level 3 Communications
Introduced 09/26/2013
Wireless
Stamford
Sprint Spectrum L.p.
Introduced 10/31/2000
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 01/25/1998
Landline
Darien
Global Crossing Local Services-ct
Introduced 03/03/2001
Wireless
Waterbury
American Messaging (am)
Introduced 02/04/1994
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 09/11/1994
Landline
New Haven
Paetec Communications
Introduced 10/13/1999
Landline
Bridgeport
AT&T Local
Introduced 04/01/1997
Landline
Stamford
Southern New England Telephone Co.
Introduced 04/01/1997
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 10/13/1999
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 01/14/2000
Landline
Wallingford
Southern New England Telephone Co.
Introduced 01/25/1998
Landline
Wallingford
Paetec Communications
Introduced 01/14/2000
Landline
Wallingford
Southern New England Telephone Co.
Introduced 01/25/1998
Wireless
Waterbury
Southern New England Telephone Co.
Introduced 10/31/2012
Landline
Greenwich
Verizon New York
Introduced 10/31/2000
Landline
Stamford
Paetec Communications
Introduced 10/13/1999
Landline
Bridgeport
Paetec Communications
Introduced 10/13/1999
Wireless
New Haven
Metro PCS
Introduced 10/03/2008
Wireless
Bridgeport
Omnipoint Communications
Introduced 03/30/2001
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Level 3 Communications
Introduced 10/13/1999
Landline
New Haven
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
New Haven
AT&T Local
Introduced 04/01/1997
Wireless
Bridgeport
Omnipoint Communications
Introduced 03/21/2008
Landline
New Haven
Southern New England Telephone Co.
Introduced 10/13/1999
Landline
Fairfield
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Milford
Cablevision Lightpath
Introduced 07/13/2010
Landline
Meriden
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Bridgeport
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Wallingford
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Old Greenwich
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Cheshire
Southern New England Telephone Co.
Introduced 09/11/1994
Landline
New Haven
AT&T Local
Introduced 04/01/1997
Landline
Danbury
Paetec Communications
Introduced 10/13/1999
Landline
Stamford
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
Wolcott
Broadwing Communications
Introduced 07/17/2002
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/15/1996
Landline
Waterbury
Ctc Communications Corp.
Introduced 02/12/2004
Wireless
Waterbury
Cellco Partnership DBA Verizon Wireless
Introduced 03/10/2011
Landline
Stamford
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
Waterbury
Southern New England Telephone Co.
Introduced 01/10/1996
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 01/10/1996
Landline
Huntington
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Milford
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Naugatuck
Global Crossing Local Services-ct
Introduced 03/03/2001
Wireless
Meriden
Omnipoint Communications
Introduced 08/20/2000
Landline
Stamford
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Greenwich
Cablevision Lightpath
Introduced 01/28/2011
Landline
Cheshire
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Stamford
Southern New England Telephone Co.
Introduced 01/10/1996
Landline
Naugatuck
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
AT&T Local
Introduced 04/01/1997
Wireless
Norwalk
New Cingular Wireless PCS - DC
Introduced 01/14/2000
Landline
Naugatuck
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Choice One Communications
Introduced 08/20/2000
Landline
Waterbury
Cox Connecticut Telecom
Introduced 07/22/1999
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 09/08/2010
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 06/05/2001
Landline
Stamford
Southern New England Telephone Co.
Introduced 11/22/2006
Landline
Naugatuck
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Ansonia
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Ansonia
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Ansonia
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Ansonia
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Guilford
Choice One Communications
Introduced 08/20/2000
Landline
Danbury
Southern New England Telephone Co.
Introduced 06/13/2000
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Wallingford
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Greenwich
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/10/2003
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Sbc Internet Services
Introduced 10/13/1999
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Teleport Communications America
Introduced 04/01/1997
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Ansonia
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Peerless Network Of Connecticut
Introduced 04/16/2012
Landline
Wilton
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Wilton
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Fairfield
Level 3 Communications
Introduced 01/14/2000
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
New Haven
Southern New England Telephone Co.
Introduced 07/01/1996
Wireless
New Haven
American Messaging (am)
Introduced 02/04/1994
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
Wireless
Waterbury
Omnipoint Communications
Introduced 01/25/1998
Landline
Greenwich
Verizon New York
Introduced 10/31/2000
Landline
Danbury
New Cingular Wireless PCS - DC
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Wallingford
Choice One Communications
Introduced 08/20/2000
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Madison
Choice One Communications
Introduced 08/20/2000
Wireless
Waterbury
Peerless Network Of Connecticut
Introduced 10/02/2012
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Milford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Danbury
New Cingular Wireless PCS - DC
Introduced 02/11/1995
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Wallingford
Global Crossing Local Services-ct
Introduced 03/23/2001
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 03/10/2011
Landline
New Canaan
Southern New England Telephone Co.
Introduced 01/10/1996
Wireless
Waterbury
Metro PCS
Introduced 10/03/2008
Wireless
Norwalk
Cellco Partnership DBA Verizon Wireless
Introduced 01/10/1996
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 03/03/2001
Landline
Waterbury
Teleport Communications America
Introduced 04/15/1996
Landline
Cheshire
Teleport Communications America
Introduced 04/15/1996
Wireless
Norwalk
New Cingular Wireless PCS - DC
Introduced 01/30/2001
Wireless
Waterbury
Omnipoint Communications
Introduced 05/30/2002
Wireless
New Haven
Omnipoint Communications
Introduced 11/04/2002
Landline
Norwalk
Cablevision Lightpath
Introduced 07/27/2001
Landline
New Haven
Southern New England Telephone Co.
Introduced 07/01/1996
Landline
Greenwich
Teleport Communications Group - NY
Introduced 01/14/2000
Landline
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Landline
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Landline
Trumbull
Global Crossing Local Services-ct
Introduced 03/14/2001
Landline
Stamford
Cablevision Lightpath
Introduced 01/25/1998
Landline
Norwalk
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 01/25/1998
Landline
Waterbury
New Cingular Wireless PCS - DC
Introduced 01/25/1998
Wireless
Norwalk
Sprint Spectrum L.p.
Introduced 07/22/1999
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
AT&T Local
Introduced 04/01/1997
Landline
New Haven
Comcast Phone Of Connecticut
Introduced 04/01/1997
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 01/25/1998
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Danbury
Southern New England Telephone Co.
Introduced 01/25/1998
Landline
Old Greenwich
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 07/19/2004
Landline
Seymour
Global Crossing Local Services-ct
Introduced 03/03/2001
Wireless
Norwalk
Sprint Spectrum L.p.
Introduced 10/13/1999
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Stamford
New Cingular Wireless PCS - DC
Introduced 04/06/2006
Wireless
Norwalk
Usa Mobility Wireless
Introduced 09/11/1994
Landline
Wilton
Southern New England Telephone Co.
Introduced 10/11/1997
Wireless
Norwalk
Usa Mobility Wireless
Introduced 01/10/1996
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 12/06/2011
Landline
Danbury
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Norwalk
Usa Mobility Wireless
Introduced 09/11/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Waterbury
Choice One Communications
Introduced 08/20/2000
Landline
Stamford
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
New Haven
AT&T Local
Introduced 01/14/2000
Landline
Fairfield
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 08/16/2004
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Conversent Communications Of Connecticut
Introduced 10/31/2000
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
New Haven
Metro PCS
Introduced 10/03/2008
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Norwalk
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Norwalk
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
New Haven
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
Greenwich
Verizon New York
Introduced 02/04/1994
Landline
Greenwich
Verizon New York
Introduced 02/04/1994
Landline
Greenwich
Verizon New York
Introduced 02/04/1994
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 03/07/2011
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
AT&T Local
Introduced 04/01/1997
Landline
Greenwich
Verizon New York
Introduced 02/04/1994
Landline
Bridgeport
Cablevision Lightpath
Introduced 03/03/2001
Landline
Branford
Teleport Communications America
Introduced 04/01/1997
Landline
New Haven
AT&T Local
Introduced 04/01/1997
Wireless
Bridgeport
New Cingular Wireless PCS - DC
Introduced 02/07/2007
Landline
Milford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Darien
AT&T Local
Introduced 04/01/1997
Landline
Milford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Milford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Milford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Wolcott
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Trumbull
Teleport Communications America
Introduced 03/03/2001
Landline
Seymour
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Milford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Level 3 Communications
Introduced 03/03/2001
Landline
Guilford
Global Crossing Local Services-ct
Introduced 03/03/2001
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 10/30/2006
Landline
Meriden
Choice One Communications
Introduced 08/20/2000
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 01/25/1998
Landline
Seymour
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Stamford
Southern New England Telephone Co.
Introduced 07/27/2001
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Bridgeport
Omnipoint Communications
Introduced 11/08/2010
Wireless
Derby
Cellco Partnership DBA Verizon Wireless
Introduced 06/29/2007
Landline
Ridgefield
Southern New England Telephone Co.
Introduced 02/11/1995
Wireless
Trumbull
New Cingular Wireless PCS - DC
Introduced 03/03/2001
Landline
Madison
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 08/20/2008
Landline
Darien
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 01/31/2005
Landline
Norwalk
Southern New England Telephone Co.
Introduced 02/11/1995
Landline
Greenwich
Cablevision Lightpath
Introduced 02/24/2012
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 06/30/2001
Landline
New Haven
Global Naps
Introduced 06/30/2001
Landline
New Haven
Level 3 Communications
Introduced 06/30/2001
Wireless
Norwalk
Sprint Spectrum L.p.
Introduced 06/30/2001
Landline
Stamford
Teleport Communications America
Introduced 04/01/1997
Wireless
Derby
Cellco Partnership DBA Verizon Wireless
Introduced 04/23/2002
Landline
New Haven
Choice One Communications
Introduced 08/20/2000
Wireless
Bridgeport
Omnipoint Communications
Introduced 04/05/2006
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 05/13/2008
Wireless
Waterbury
Cellco Partnership DBA Verizon Wireless
Introduced 07/01/1996
Wireless
Stamford
Cellco Partnership DBA Verizon Wireless
Introduced 07/01/1996
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 07/01/1996
Landline
Norwalk
Cablevision Lightpath
Introduced 02/24/2012
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 07/01/1996
Landline
Norwalk
Level 3 Communications
Introduced 01/30/2001
Wireless
Danbury
Cellco Partnership DBA Verizon Wireless
Introduced 10/22/2008
Wireless
Stamford
New Cingular Wireless PCS - DC
Introduced 03/03/2001
Wireless
Norwalk
Omnipoint Communications
Introduced 06/30/2001
Landline
Stamford
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 02/20/2004
Landline
Stamford
Southern New England Telephone Co.
Introduced 09/11/1994
Landline
Huntington
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Bridgeport
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 04/01/1997
Landline
Huntington
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Huntington
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Huntington
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Landline
New Haven
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Huntington
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Greenwich
Global Crossing Local Services-ct
Introduced 03/14/2001
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Meriden
Global Crossing Local Services-ct
Introduced 03/03/2001
Landline
New Haven
Southern New England Telephone Co.
Introduced 09/12/2008
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Redding
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Cablevision Lightpath
Introduced 06/25/2008
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Seymour
Bandwidth.com Clec
Introduced 09/21/2010
Landline
Danbury
Sprint Spectrum L.p.
Introduced 03/03/2001
Wireless
Norwalk
Sprint Spectrum L.p.
Introduced 09/11/1994
Landline
Huntington
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 06/30/2001
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/11/1995
Wireless
Danbury
New Cingular Wireless PCS - DC
Introduced 03/03/2001
Wireless
Danbury
Sprint Spectrum L.p.
Introduced 01/25/1998
Landline
Wallingford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Milford
Teleport Communications America
Introduced 04/01/1997
Wireless
Norwalk
Sprint Spectrum L.p.
Introduced 01/25/1998
Wireless
Bridgeport
Sprint Spectrum L.p.
Introduced 07/27/2001
Landline
Derby
Choice One Communications
Introduced 08/20/2000
Landline
Fairfield
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 02/20/2004
Landline
Norwalk
Cablevision Lightpath
Introduced 01/30/2001
Landline
Norwalk
Cablevision Lightpath
Introduced 05/25/2011
Landline
Stamford
Cablevision Lightpath
Introduced 09/15/2008
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Southern New England Telephone Co.
Introduced 04/01/1997
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Canaan
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Norwalk
Cablevision Lightpath
Introduced 04/04/2011
Landline
Greenwich
Cablevision Lightpath
Introduced 06/30/2001
Landline
New Canaan
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
New Haven
Teleport Communications America
Introduced 04/01/1997
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Stamford
Southern New England Telephone Co.
Introduced 02/04/1994
Wireless
Stamford
New Cingular Wireless PCS - DC
Introduced 02/04/1994
Wireless
New Haven
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2002
Wireless
Norwalk
Sprint Spectrum L.p.
Introduced 10/15/1996
Wireless
Waterbury
Sprint Spectrum L.p.
Introduced 10/15/1996
Landline
Greenwich
Conversent Communications Of Connecticut
Introduced 03/03/2001
Wireless
Norwalk
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
Landline
New Haven
Southern New England Telephone Co.
Introduced 02/04/1994
Landline
Old Greenwich
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 02/20/2004
Landline
Greenwich
Level 3 Communications
Introduced 03/30/2001
Wireless
New Haven
New Cingular Wireless PCS - DC
Introduced 07/04/1995
Landline
Norwalk
Level 3 Communications
Introduced 06/30/2001
Landline
Old Greenwich
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 01/31/2005
Landline
Norwalk
Southern New England Telephone Co.
Introduced 08/14/1998
Landline
Greenwich
Cablevision Lightpath
Introduced 05/12/2006
Wireless
Bridgeport
Cellco Partnership DBA Verizon Wireless
Introduced 07/20/2006
Wireless
Danbury
Sprint Spectrum L.p.
Introduced 12/14/2001
Landline
Bridgeport
Brooks Fiber Communications Of Connecticut Inc-ct
Introduced 10/08/2008
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 12/14/2001
Wireless
Derby
Omnipoint Communications
Introduced 05/18/2011
Landline
Stamford
Level 3 Communications
Introduced 10/15/2004
Wireless
New Haven
Sprint Spectrum L.p.
Introduced 03/09/2011

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