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815 Area Code

About Area Code 815

State: Illinois
Major City: Rockford
Timezone: Central (11:34pm)
Short URL: allareacodes.com/815
Download: Download this data

Area Code 815 Map

  • Belvidere, IL
  • Crystal Lake, IL
  • De Kalb, IL
  • Freeport, IL
  • Joliet, IL
  • Kankakee, IL
  • Loves Park, IL
  • Machesney Park, IL
  • Mchenry, IL
  • Rockford, IL
  • Romeoville, IL
  • Woodstock, IL

More About Area Code 815

Area code 815 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served northern Illinois except Chicago and Quad Cities. In 2007, area code 779 was created as an overlay to area code 815. Currently, the largest city it serves is Rockford, IL, and it overlaps coverage areas with area code 779.

Overview of Active Prefixes

Assigned to Carrier

Usage

Carriers

Active Phone Number Prefixes

Prefix
Usage
Primary City
Carrier
Introduced
Landline
La Salle
Paetec Communications
Introduced 06/20/2006
Wireless
Rockford
Bandwidth.com Clec
Introduced 08/15/2012
Wireless
Oglesby
New Cingular Wireless PCS
Introduced 04/08/2008
Wireless
Joliet
Usa Mobility Wireless
Introduced 01/25/1998
Wireless
Crystal Lake
Usa Mobility Wireless
Introduced 01/25/1998
Wireless
La Grange Park
Centurylink Communications LLC
Introduced 01/31/2014
Landline
Woodstock
Ameritech Illinois
Introduced 08/20/2000
Landline
Joliet
AT&T Local
Introduced 08/14/1998
Landline
Fulton
Mediacom Telephony Of Illinois
Introduced 06/01/2006
Landline
Rockford
Level 3 Communications
Introduced 02/04/2002
Wireless
Joliet
New Cingular Wireless PCS
Introduced 08/20/2000
Landline
Joliet
T-mobile Usa
Introduced 08/14/1998
Wireless
Sterling
United States Cellular Corp. - Illinois
Introduced 09/29/2004
Landline
Kankakee
Rcn Telecom Services Of Illinois
Introduced 05/10/1999
Landline
New Lenox
First Communications LLC
Introduced 02/04/2002
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 10/31/2000
Landline
Dekalb
Digital Network Access Communications
Introduced 02/16/2006
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Wireless
Crystal Lake
Sprint Spectrum L.p.
Introduced 06/06/2006
Landline
La Salle
Ameritech Illinois
Introduced 10/13/1999
Landline
Lockport
Teleport Communications America
Introduced 10/15/1996
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Landline
La Salle
Ameritech Illinois
Introduced 02/04/1994
Landline
La Salle
Ameritech Illinois
Introduced 02/04/1994
Landline
Milledgeville
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Wireless
Oglesby
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Plainfield
Broadwing Communications
Introduced 10/13/1999
Landline
Rockford
Ameritech Illinois
Introduced 09/11/1994
Landline
Freeport
Frontier North
Introduced 02/04/1994
Landline
Freeport
Frontier North
Introduced 02/04/1994
Landline
Byron
Frontier North
Introduced 02/04/1994
Landline
Freeport
Frontier North
Introduced 02/04/1994
Wireless
Woodstock
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Gardner
Ameritech Illinois
Introduced 02/04/1994
Wireless
Freeport
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Pecatonica
Frontier North
Introduced 02/04/1994
Landline
Rockford
Charter Fiberlink - Illinois
Introduced 10/18/2010
Wireless
Northbrook
American Messaging (am)
Introduced 04/15/1996
Wireless
Rockford
Bandwidth.com Clec
Introduced 05/02/2014
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 10/15/1996
Landline
Mt Carroll
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Wireless
Woodstock
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Earlville
Frontier North
Introduced 02/04/1994
Landline
Pecatonica
Frontier North
Introduced 02/04/1994
Landline
Durand
Frontier North
Introduced 02/04/1994
Landline
Grand Ridge
Frontier North
Introduced 02/04/1994
Landline
La Salle
Comcast Phone Of Illinois DBA Comco
Introduced 08/25/2006
Landline
Rock Falls
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Wireless
Oglesby
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Kempton
Frontier Communications Of Illinois
Introduced 02/04/1994
Landline
Plainfield
Ameritech Illinois
Introduced 02/04/1994
Landline
Minooka
Us Xchange Of Illinois LLC DBA Choice One Comm Il
Introduced 11/03/2009
Landline
Stelle
Stelle Telephone Co.
Introduced 02/04/1994
Wireless
Streator
Illinois Valley Cellular Rsa 2-ii Partnership
Introduced 02/04/1994
Wireless
Joliet
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Thomson
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 01/11/1997
Landline
Crystal Lake
Mci Worldcom Communications
Introduced 01/11/1997
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 07/01/1996
Landline
Waterman
Frontier North
Introduced 02/04/1994
Landline
Gilman
Ameritech Illinois
Introduced 02/04/1994
Landline
Freeport
Frontier North
Introduced 02/04/1994
Landline
Plainfield
Mci Worldcom Communications
Introduced 01/11/1997
Landline
Onarga
Ameritech Illinois
Introduced 02/04/1994
Landline
Danforth
Frontier Communications Of The Carolinas, Inc
Introduced 02/04/1994
Landline
Lanark
Charter Fiberlink - Illinois
Introduced 04/24/2007
Landline
Mchenry
Mci Worldcom Communications
Introduced 04/01/1997
Landline
Joliet
Mci Worldcom Communications
Introduced 01/11/1997
Landline
Savanna
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Wireless
Joliet
New Cingular Wireless PCS
Introduced 01/11/1997
Wireless
Freeport
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Crystal Lake
Teleport Communications America
Introduced 04/01/1997
Landline
Frankfort
Teleport Communications America
Introduced 04/01/1997
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 10/15/1996
Wireless
Kankakee
American Messaging (am)
Introduced 01/11/1997
Landline
Joliet
Teleport Communications America
Introduced 04/01/1997
Wireless
Galena
United States Cellular Corp. - Illinois
Introduced 06/15/2004
Landline
Loves Park
Ameritech Illinois
Introduced 02/04/1994
Landline
Dekalb
Mediacom Telephony Of Illinois
Introduced 03/05/2010
Landline
Dixon
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Landline
Dixon
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Landline
Hinckley
Frontier North
Introduced 02/04/1994
Landline
Verona
Ameritech Illinois
Introduced 02/04/1994
Landline
Dixon
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 07/06/1997
Landline
Minooka
Sbc Internet Services
Introduced 02/10/2006
Wireless
Freeport
United States Cellular Corp. - Illinois
Introduced 01/14/2000
Landline
South Beloit
Bergen Telephone Co. - Illinois
Introduced 01/10/1996
Landline
Romeoville
Ameritech Illinois
Introduced 10/15/1996
Wireless
La Grange Park
Usa Mobility Wireless
Introduced 01/10/1996
Landline
Kankakee
T-mobile Usa
Introduced 07/06/1997
Wireless
Rockford
Usa Mobility Wireless
Introduced 07/06/1997
Landline
Freeport
Frontier North
Introduced 10/11/1997
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 07/06/1997
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 07/04/1995
Landline
Chicago
Ameritech Illinois
Introduced 12/22/2010
Landline
Crystal Lake
Broadwing Communications
Introduced 10/31/2000
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 10/31/2000
Wireless
Princeton
Illinois Valley Cellular Rsa 2-i Partnership
Introduced 08/20/2000
Landline
Kankakee
Broadwing Communications
Introduced 10/31/2000
Landline
Gardner
Broadwing Communications
Introduced 10/31/2000
Landline
Lockport
Broadwing Communications
Introduced 10/31/2000
Landline
Mchenry
Broadwing Communications
Introduced 10/31/2000
Landline
Woodstock
Broadwing Communications
Introduced 10/31/2000
Landline
Shannon
Aero North Communications
Introduced 07/18/2006
Landline
Utica
Broadwing Communications
Introduced 10/31/2000
Landline
Rockford
Ymax Communications Corp.
Introduced 12/15/2008
Landline
Ottawa
Broadwing Communications
Introduced 10/31/2000
Landline
Manhattan
Broadwing Communications
Introduced 10/31/2000
Landline
Rockford
Level 3 Communications
Introduced 10/31/2000
Landline
Rockford
Tds Metrocom Inc.-il
Introduced 10/31/2000
Landline
Crescent City
Broadwing Communications
Introduced 10/31/2000
Landline
Morris
Broadwing Communications
Introduced 10/31/2000
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 06/13/2000
Wireless
Kankakee
Peerless Network Of Illinois
Introduced 04/28/2009
Landline
Woodstock
Xo Illinois
Introduced 01/11/1997
Landline
Mchenry
Level 3 Communications
Introduced 01/11/1997
Landline
Belvidere
Level 3 Communications
Introduced 02/10/2005
Landline
Ottawa
Mediacom Telephony Of Illinois
Introduced 01/08/2010
Wireless
Joliet
New Cingular Wireless PCS
Introduced 07/06/1997
Wireless
Oglesby
New Cingular Wireless PCS
Introduced 07/06/1997
Landline
Plainfield
Broadwing Communications
Introduced 10/11/1997
Landline
Lockport
Broadwing Communications
Introduced 10/11/1997
Landline
Rockford
Sbc Internet Services
Introduced 03/11/2013
Landline
Crescent City
First Communications LLC
Introduced 03/03/2001
Landline
Mchenry
Broadwing Communications
Introduced 10/11/1997
Landline
Cherry Valley
Frontier North
Introduced 02/04/1994
Landline
Woodstock
Broadwing Communications
Introduced 10/11/1997
Landline
Woodstock
Ameritech Illinois
Introduced 02/04/1994
Landline
Winnebago
Frontier North
Introduced 02/04/1994
Landline
Milledgeville
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Woodstock
Ameritech Illinois
Introduced 02/04/1994
Landline
Woodstock
Ameritech Illinois
Introduced 02/04/1994
Landline
Granville
Frontier North
Introduced 02/04/1994
Landline
La Moille
Comcast Phone Of Illinois DBA Comco
Introduced 08/25/2006
Wireless
Joliet
New Cingular Wireless PCS
Introduced 10/11/1997
Wireless
Joliet
New Cingular Wireless PCS
Introduced 10/11/1997
Wireless
Oglesby
New Cingular Wireless PCS
Introduced 01/25/1998
Landline
Mchenry
Ameritech Illinois
Introduced 02/04/1994
Landline
Woodstock
Level 3 Communications
Introduced 05/18/1998
Landline
Gardner
Broadwing Communications
Introduced 01/25/1998
Wireless
Woodstock
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Kankakee
Us Xchange Of Illinois LLC DBA Choice One Comm Il
Introduced 10/16/2009
Landline
Mchenry
Xo Illinois
Introduced 06/30/2001
Landline
Franklin Grove
Essex Telcom
Introduced 06/13/2000
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 01/10/1996
Landline
Kankakee
Broadwing Communications
Introduced 01/25/1998
Wireless
Woodstock
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Wireless
Woodstock
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
Wireless
Woodstock
Cellco Partnership DBA Verizon Wireless
Introduced 10/11/1997
Landline
Crystal Lake
Ameritech Illinois
Introduced 02/04/1994
Landline
Seneca
Ameritech Illinois
Introduced 02/04/1994
Landline
Cornell
C-r Telephone Co.
Introduced 02/04/1994
Landline
Harmon
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Landline
Sublette
Essex Telcom
Introduced 06/13/2000
Landline
Manhattan
Broadwing Communications
Introduced 01/25/1998
Landline
German Valley
Frontier North
Introduced 02/04/1994
Landline
Mchenry
Ameritech Illinois
Introduced 02/04/1994
Landline
Morris
Broadwing Communications
Introduced 01/25/1998
Landline
Reddick
Frontier North
Introduced 02/04/1994
Landline
Ottawa
Broadwing Communications
Introduced 01/25/1998
Landline
Winslow
Frontier North
Introduced 02/04/1994
Landline
Lostant
Frontier North
Introduced 02/04/1994
Landline
Lena
Frontier North
Introduced 02/04/1994
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 01/10/1996
Landline
Utica
Broadwing Communications
Introduced 01/25/1998
Landline
Romeoville
Ameritech Illinois
Introduced 02/04/1994
Landline
Elwood
Us Xchange Of Illinois LLC DBA Choice One Comm Il
Introduced 11/04/2009
Landline
Dwight
Us Xchange Of Illinois LLC DBA Choice One Comm Il
Introduced 11/04/2009
Wireless
Dekalb
United States Cellular Corp. - Illinois
Introduced 09/11/1994
Landline
Ohio
Frontier North
Introduced 02/04/1994
Landline
Crescent City
Broadwing Communications
Introduced 01/25/1998
Wireless
Rockford
Sprint Spectrum L.p.
Introduced 02/11/1995
Landline
Walnut
Frontier North
Introduced 02/04/1994
Landline
Sterling
Essex Telcom
Introduced 03/03/2001
Landline
Rockford
Ameritech Illinois
Introduced 04/01/1997
Wireless
Woodstock
New Cingular Wireless PCS
Introduced 02/04/1994
Wireless
Crescent City
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Malta
Frontier North
Introduced 02/04/1994
Landline
Mchenry
Ameritech Illinois
Introduced 02/04/1994
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 10/13/1999
Landline
Rockford
Ameritech Illinois
Introduced 05/18/1998
Landline
Mchenry
Sprint Spectrum L.p.
Introduced 05/18/1998
Landline
Beloit
Ameritech Illinois
Introduced 01/10/1996
Landline
Braidwood
Comcast Phone Of Illinois DBA Comco
Introduced 10/14/2004
Landline
Rockford
Ameritech Illinois
Introduced 07/04/1995
Landline
Kinsman
Kinsman Mutual Telephone Company
Introduced 02/04/1994
Landline
Monroe Center
Frontier North
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Steward
Frontier North
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Morrison
Mediacom Telephony Of Illinois
Introduced 02/15/2010
Landline
Kankakee
Level 3 Communications
Introduced 03/03/2001
Landline
Galena
Level 3 Communications
Introduced 08/17/2004
Wireless
Mchenry
Sprint Spectrum L.p.
Introduced 10/31/2000
Wireless
Crystal Lake
Sprint Spectrum L.p.
Introduced 10/31/2000
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 03/03/2001
Landline
Byron
Frontier North
Introduced 03/03/2001
Landline
Romeoville
Ameritech Illinois
Introduced 07/04/1995
Landline
Utica
First Communications LLC
Introduced 03/03/2001
Wireless
Joliet
Cellco Partnership DBA Verizon Wireless
Introduced 08/18/2005
Landline
La Salle
Level 3 Communications
Introduced 02/04/2002
Landline
Frankfort
Broadwing Communications
Introduced 06/13/2000
Landline
Morris
First Communications LLC
Introduced 03/03/2001
Wireless
Earlville
New Cingular Wireless PCS
Introduced 10/14/2004
Landline
Seneca
Ameritech Illinois
Introduced 03/03/2001
Landline
Morris
Ameritech Illinois
Introduced 03/03/2001
Landline
Braidwood
Ameritech Illinois
Introduced 03/03/2001
Landline
Manhattan
First Communications LLC
Introduced 03/03/2001
Landline
Pontiac
AT&T Local
Introduced 03/19/2003
Landline
Malta
Essex Telcom
Introduced 06/13/2000
Landline
Herscher
Ameritech Illinois
Introduced 10/15/1996
Landline
St Anne
Ameritech Illinois
Introduced 10/15/1996
Landline
Elwood
Ameritech Illinois
Introduced 02/04/1994
Landline
Elwood
Ameritech Illinois
Introduced 02/04/1994
Landline
Crystal Lake
Broadwing Communications
Introduced 07/22/1999
Landline
Herscher
Ameritech Illinois
Introduced 02/04/1994
Landline
St Anne
Ameritech Illinois
Introduced 02/04/1994
Landline
Martinton
Frontier North
Introduced 02/04/1994
Landline
Sheldon
Frontier North
Introduced 02/04/1994
Landline
Mchenry
First Communications LLC
Introduced 03/03/2001
Landline
Ottawa
Ameritech Illinois
Introduced 01/11/1997
Landline
Watseka
Ameritech Illinois
Introduced 02/04/1994
Landline
Ottawa
Ameritech Illinois
Introduced 02/04/1994
Landline
Ottawa
Ameritech Illinois
Introduced 02/04/1994
Landline
Beaverville
Frontier North
Introduced 02/04/1994
Landline
Plainfield
Ameritech Illinois
Introduced 02/04/1994
Landline
Putnam
Frontier North
Introduced 02/04/1994
Landline
Tampico
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Plainfield
Ameritech Illinois
Introduced 02/04/1994
Wireless
Dixon
Cellco Partnership DBA Verizon Wireless
Introduced 08/14/1998
Wireless
Sterling
Cellco Partnership DBA Verizon Wireless
Introduced 08/14/1998
Landline
Tonica
Tonica Telephone Co.
Introduced 02/04/1994
Landline
Pearl City
Frontier North
Introduced 02/04/1994
Landline
Crystal Lake
Ameritech Illinois
Introduced 05/10/1999
Landline
Sheffield
Frontier North
Introduced 02/04/1994
Landline
Oglesby
Frontier North
Introduced 02/04/1994
Landline
Spring Valley
Frontier Communications Of Depue
Introduced 02/04/1994
Landline
Mazon
Ameritech Illinois
Introduced 02/04/1994
Landline
Dakota
Frontier North
Introduced 02/04/1994
Wireless
Momence
New Cingular Wireless PCS
Introduced 07/27/2004
Wireless
Woodstock
New Cingular Wireless PCS
Introduced 11/20/1998
Landline
Toluca
Frontier North
Introduced 02/04/1994
Landline
Ashton
Frontier North
Introduced 02/04/1994
Landline
Sheffield
Frontier North
Introduced 02/04/1994
Landline
Crystal Lake
Ameritech Illinois
Introduced 02/04/1994
Landline
Franklin Grove
Frontier North
Introduced 02/04/1994
Landline
Cissna Park
Frontier Communications Of The Carolinas, Inc
Introduced 02/04/1994
Landline
Braidwood
Ameritech Illinois
Introduced 02/04/1994
Landline
Crystal Lake
Ameritech Illinois
Introduced 02/04/1994
Landline
Joliet
First Communications LLC
Introduced 03/03/2001
Landline
Lockport
Broadwing Communications
Introduced 07/22/1999
Landline
New Lenox
Ameritech Illinois
Introduced 02/04/1994
Landline
New Lenox
Ameritech Illinois
Introduced 10/15/1996
Landline
Frankfort
Ameritech Illinois
Introduced 02/04/1994
Landline
Grant Park
Ameritech Illinois
Introduced 02/04/1994
Landline
Grant Park
Ameritech Illinois
Introduced 10/15/1996
Landline
Minooka
Ameritech Illinois
Introduced 02/04/1994
Landline
Manteno
Ameritech Illinois
Introduced 02/04/1994
Landline
Frankfort
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 10/31/2001
Wireless
Watseka
Illinois Valley Cellular Rsa 2-i Partnership
Introduced 07/04/1995
Landline
Momence
Ameritech Illinois
Introduced 02/04/1994
Landline
Watseka
Frontier Communications Of The Carolinas, Inc
Introduced 02/04/1994
Wireless
Joliet
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Yorkville
Ameritech Illinois
Introduced 02/04/1994
Landline
Wilmington
Ameritech Illinois
Introduced 02/04/1994
Landline
Crystal Lake
Ameritech Illinois
Introduced 02/04/1994
Landline
Manhattan
Ameritech Illinois
Introduced 02/04/1994
Landline
Crystal Lake
Ameritech Illinois
Introduced 01/11/1997
Wireless
Rockford
Usa Mobility Wireless
Introduced 03/22/2001
Wireless
La Grange Park
Illinois Valley Cellular Rsa 2-i Partnership
Introduced 05/10/1999
Wireless
Woodstock
Sprint Spectrum L.p.
Introduced 07/01/1996
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 11/20/1998
Landline
Rockford
Ameritech Illinois
Introduced 11/20/1998
Landline
New Lenox
Ameritech Illinois
Introduced 02/04/1994
Landline
Donovan
Frontier North
Introduced 02/04/1994
Landline
Plainfield
First Communications LLC
Introduced 03/03/2001
Wireless
La Grange Park
Illinois Valley Cellular Rsa 2-i Partnership
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/11/1995
Wireless
Rockford
365 Wireless
Introduced 03/13/2013
Landline
Apple River
Frontier North
Introduced 02/04/1994
Landline
Lanark
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 02/04/1994
Landline
Leland
Frontier North
Introduced 02/04/1994
Landline
Sheridan
Frontier North
Introduced 02/04/1994
Landline
Compton
Frontier North
Introduced 02/04/1994
Landline
Somonauk
Frontier North
Introduced 02/04/1994
Wireless
Sterling
United States Cellular Corp. - Illinois
Introduced 01/14/2000
Landline
Marseilles
Sprint Communications Company, L.p.
Introduced 04/14/2006
Wireless
Dekalb
Sprint Spectrum L.p.
Introduced 06/30/2001
Landline
Woodstock
First Communications LLC
Introduced 03/03/2001
Wireless
Mendota
Sprint Spectrum L.p.
Introduced 03/03/2001
Landline
Gardner
First Communications LLC
Introduced 03/03/2001
Wireless
Rockford
T-mobile Usa
Introduced 06/30/2001
Landline
Union
Level 3 Communications
Introduced 02/27/2002
Landline
Momence
Level 3 Communications
Introduced 12/28/2001
Wireless
Dekalb
New Cingular Wireless PCS
Introduced 06/16/2004
Wireless
Rockford
Sprint Spectrum L.p.
Introduced 03/03/2001
Landline
Streator
Mediacom Telephony Of Illinois
Introduced 01/08/2010
Landline
Lockport
First Communications LLC
Introduced 03/03/2001
Landline
Morris
Level 3 Communications
Introduced 02/27/2002
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 01/24/2001
Landline
Watseka
Level 3 Communications
Introduced 02/04/2002
Landline
Rockford
Sprint Spectrum L.p.
Introduced 01/24/2001
Landline
Dekalb
Mci Worldcom Communications
Introduced 06/28/2004
Landline
Coal City
First Communications LLC
Introduced 10/23/2001
Wireless
Rockford
Sprint Spectrum L.p.
Introduced 07/22/1999
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Landline
Minooka
Ameritech Illinois
Introduced 05/10/1999
Landline
Kirkland
Frontier North
Introduced 02/04/1994
Landline
Kankakee
Teleport Communications America
Introduced 02/27/1999
Landline
Lockport
Teleport Communications America
Introduced 02/27/1999
Landline
Beloit
Tds Metrocom Inc.-il
Introduced 02/27/1999
Landline
Crystal Lake
Teleport Communications America
Introduced 02/27/1999
Landline
Woodstock
Teleport Communications America
Introduced 02/27/1999
Landline
Mchenry
Teleport Communications America
Introduced 02/27/1999
Wireless
Woodstock
Cellco Partnership DBA Verizon Wireless
Introduced 10/13/1999
Landline
Joliet
Sprint Spectrum L.p.
Introduced 02/27/1999
Landline
Joliet
Teleport Communications America
Introduced 02/27/1999
Wireless
Morris
Usa Mobility Wireless
Introduced 02/04/1994
Wireless
La Grange Park
Indiana Paging Ntwk
Introduced 11/20/1998
Landline
Frankfort
Level 3 Communications
Introduced 02/27/1999
Landline
Sterling
Ameritech Illinois
Introduced 09/11/1994
Wireless
La Grange Park
Usa Mobility Wireless
Introduced 01/25/1998
Landline
Prophetstown
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Mendota
Frontier North
Introduced 02/04/1994
Landline
Mendota
Frontier North
Introduced 02/04/1994
Wireless
Rockford
Sprint Spectrum L.p.
Introduced 02/27/1999
Wireless
Freeport
United States Cellular Corp. - Illinois
Introduced 01/14/2000
Landline
Tampico
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 02/27/1999
Landline
Belvidere
Frontier North
Introduced 02/04/1994
Wireless
Joliet
New Cingular Wireless PCS
Introduced 09/11/1994
Wireless
Joliet
New Cingular Wireless PCS
Introduced 08/14/1998
Landline
Belvidere
Frontier North
Introduced 02/04/1994
Landline
Sterling
Ameritech Illinois
Introduced 11/20/1998
Wireless
Kankakee
Sprint Spectrum L.p.
Introduced 06/13/2000
Landline
Grant Park
Broadwing Communications
Introduced 05/10/1999
Landline
Savanna
Essex Telcom
Introduced 03/03/2001
Landline
Lockport
Ameritech Illinois
Introduced 04/10/2001
Landline
Joliet
Ovation Communications Of Illinois
Introduced 04/10/2001
Landline
East Dubuque
Mediacom Telephony Of Illinois
Introduced 03/27/2005
Landline
Plainfield
Broadwing Communications
Introduced 04/10/2001
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 07/22/1999
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 05/10/1999
Landline
Fulton
Essex Telcom
Introduced 06/13/2000
Landline
Harvard
Sprint Spectrum L.p.
Introduced 05/03/2002
Landline
Rochelle
Frontier North
Introduced 04/01/1997
Landline
Rochelle
Frontier North
Introduced 02/04/1994
Landline
Dakota
Frontier North
Introduced 02/04/1994
Landline
Sterling
Ameritech Illinois
Introduced 07/22/1999
Landline
Morrison
Mediacom Telephony Of Illinois
Introduced 03/27/2005
Landline
Belvidere
Level 3 Communications
Introduced 06/21/2002
Landline
Emington
Frontier North
Introduced 02/04/1994
Landline
Marengo
Ameritech Illinois
Introduced 02/04/1994
Landline
Capron
Frontier North
Introduced 02/04/1994
Landline
Sandwich
Level 3 Communications
Introduced 08/21/2002
Landline
Shannon
Mediacom Telephony Of Illinois
Introduced 04/21/2006
Landline
Marengo
Broadwing Communications
Introduced 06/13/2000
Landline
Kankakee
Level 3 Communications
Introduced 02/27/2002
Landline
Harmon
Essex Telcom
Introduced 06/13/2000
Wireless
Woodstock
New Cingular Wireless PCS
Introduced 06/30/2001
Landline
Polo
Essex Telcom
Introduced 06/13/2000
Landline
Plainfield
Ameritech Illinois
Introduced 01/14/2000
Landline
Mchenry
Ameritech Illinois
Introduced 01/14/2000
Wireless
La Salle
Sprint Spectrum L.p.
Introduced 01/14/2000
Landline
Rockford
AT&T Local
Introduced 03/18/2003
Landline
Spring Grove
Comcast Phone Of Illinois DBA Comco
Introduced 10/06/2005
Wireless
Joliet
T-mobile Usa
Introduced 10/06/2005
Landline
Morrison
Essex Telcom
Introduced 06/13/2000
Landline
Dwight
Ameritech Illinois
Introduced 02/04/1994
Landline
Morris
Level 3 Communications
Introduced 05/03/2002
Landline
Ransom
C-r Telephone Co.
Introduced 02/04/1994
Landline
Ottawa
Level 3 Communications
Introduced 04/02/2002
Landline
Lockport
Ameritech Illinois
Introduced 10/15/1996
Landline
Fulton
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Wireless
Sterling
Sprint Spectrum L.p.
Introduced 07/14/2003
Landline
Hanover
Frontier North
Introduced 02/04/1994
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Dekalb
AT&T Local
Introduced 08/20/2000
Landline
Apple River
Frontier North
Introduced 02/04/1994
Landline
Oregon
AT&T Local
Introduced 10/02/2003
Landline
Marengo
Sbc Internet Services
Introduced 02/10/2006
Landline
Garden Prairie
Frontier North
Introduced 02/04/1994
Landline
Elizabeth
Frontier North
Introduced 02/04/1994
Landline
Freeport
Frontier North
Introduced 07/22/1999
Landline
Joliet
New Cingular Wireless PCS
Introduced 07/14/2003
Landline
Rockford
Bitwise Communications
Introduced 10/30/2003
Landline
Kankakee
First Communications LLC
Introduced 03/03/2001
Wireless
Kankakee
T-mobile Usa
Introduced 09/28/2001
Landline
Dixon
Essex Telcom
Introduced 06/13/2000
Landline
Grant Park
Level 3 Communications
Introduced 04/02/2002
Landline
Ottawa
First Communications LLC
Introduced 03/03/2001
Landline
Flanagan
Bitwise Communications
Introduced 11/16/2004
Wireless
Rockford
T-mobile Usa
Introduced 09/30/2002
Landline
Plainfield
Ameritech Illinois
Introduced 10/24/2001
Landline
Cornell
Bitwise Communications
Introduced 11/16/2004
Landline
Graymont
Bitwise Communications
Introduced 11/16/2004
Landline
Mt Carroll
Essex Telcom
Introduced 03/03/2001
Landline
Kankakee
Broadwing Communications
Introduced 12/06/2001
Landline
Mendota
Level 3 Communications
Introduced 10/31/2001
Wireless
Freeport
T-mobile Usa
Introduced 01/07/2004
Landline
Ottawa
AT&T Local
Introduced 06/30/2001
Wireless
Freeport
New Cingular Wireless PCS
Introduced 12/21/2006
Landline
Rockton
Aero North Communications
Introduced 05/27/2003
Landline
Prophetstown
Essex Telcom
Introduced 06/13/2000
Wireless
Rockford
Sprint Spectrum L.p.
Introduced 10/13/1999
Landline
Sterling
Ameritech Illinois
Introduced 02/04/1994
Landline
Roscoe
Frontier North
Introduced 02/04/1994
Landline
Rockton
Frontier North
Introduced 02/04/1994
Landline
Sterling
Ameritech Illinois
Introduced 02/04/1994
Landline
Sterling
Ameritech Illinois
Introduced 02/04/1994
Landline
Paw Paw
Frontier North
Introduced 02/04/1994
Landline
West Brooklyn
Frontier North
Introduced 02/04/1994
Landline
Durand
Frontier North
Introduced 02/04/1994
Wireless
Joliet
T-mobile Usa
Introduced 07/24/2006
Landline
Sterling
Ameritech Illinois
Introduced 04/15/1996
Landline
Sterling
Ameritech Illinois
Introduced 10/11/1997
Landline
Loves Park
Ameritech Illinois
Introduced 02/04/1994
Landline
Coal City
Ameritech Illinois
Introduced 02/04/1994
Landline
Chatsworth
Frontier North
Introduced 02/04/1994
Landline
Loves Park
Ameritech Illinois
Introduced 02/04/1994
Landline
Loves Park
Ameritech Illinois
Introduced 02/04/1994
Landline
La Moille
Frontier North
Introduced 02/04/1994
Landline
Loves Park
Ameritech Illinois
Introduced 01/10/1996
Landline
Ottawa
Teleport Communications America
Introduced 12/28/2001
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 01/21/2008
Landline
Minooka
Broadwing Communications
Introduced 10/13/1999
Landline
Malden
Frontier North
Introduced 02/04/1994
Landline
Crescent City
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Stillman Valley
Frontier North
Introduced 02/04/1994
Landline
Tiskilwa
Frontier North
Introduced 02/04/1994
Landline
Cullom
Mediacom Telephony Of Illinois
Introduced 03/27/2005
Landline
Hebron
Frontier North
Introduced 02/04/1994
Landline
Gardner
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Freeport
AT&T Local
Introduced 08/20/2000
Landline
Joliet
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Dixon
Gallatin River Communications DBA Centurylink
Introduced 02/04/1994
Landline
Wonder Lake
Frontier North
Introduced 02/04/1994
Landline
Loves Park
Ameritech Illinois
Introduced 02/04/1994
Landline
Milledgeville
Essex Telcom
Introduced 06/13/2000
Landline
Freeport
Level 3 Communications
Introduced 06/26/2002
Landline
Forrest
Ameritech Illinois
Introduced 02/04/1994
Landline
Lanark
Essex Telcom
Introduced 06/13/2000
Landline
Hennepin
Frontier North
Introduced 02/04/1994
Landline
Lockport
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Morris
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Momence
Level 3 Communications
Introduced 11/20/1998
Landline
Spring Valley
Frontier North
Introduced 02/04/1994
Landline
Spring Valley
Frontier North
Introduced 02/04/1994
Landline
Ottawa
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Wireless
Joliet
Cellco Partnership DBA Verizon Wireless
Introduced 08/30/2006
Landline
Utica
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Neutral Tandem-illinois
Introduced 04/02/2009
Landline
Mchenry
Level 3 Communications
Introduced 11/20/1998
Wireless
Rockford
Sprint Spectrum L.p.
Introduced 06/30/2001
Landline
Joliet
Level 3 Communications
Introduced 11/20/1998
Landline
Streator
Frontier North
Introduced 02/04/1994
Landline
Streator
Frontier North
Introduced 02/04/1994
Wireless
Streator
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Spring Grove
Frontier North
Introduced 02/04/1994
Landline
Plainfield
Level 3 Communications
Introduced 11/20/1998
Landline
Elizabeth
Cellco Partnership DBA Verizon Wireless
Introduced 03/17/2005
Landline
Richmond
Frontier North
Introduced 02/04/1994
Landline
Mchenry
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Manhattan
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 07/30/2010
Landline
Milford
Frontier Communications Of The Carolinas, Inc
Introduced 02/04/1994
Landline
Crescent City
Ameritech Illinois
Introduced 02/04/1994
Landline
Chadwick
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Wireless
Joliet
New Cingular Wireless PCS
Introduced 09/11/1994
Landline
Piper City
Frontier North
Introduced 02/04/1994
Landline
Woodstock
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Strawn
Frontier North
Introduced 02/04/1994
Landline
Cullom
Frontier Communications Of Illinois
Introduced 02/04/1994
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 07/22/1999
Landline
Utica
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Fairbury
Frontier North
Introduced 02/04/1994
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 02/11/1995
Landline
Clifton
Frontier North
Introduced 02/04/1994
Landline
Newark
Ameritech Illinois
Introduced 02/04/1994
Landline
Roscoe
Aero North Communications
Introduced 05/27/2003
Landline
Chebanse
Frontier North
Introduced 02/04/1994
Landline
Ashkum
Frontier North
Introduced 02/04/1994
Landline
Wyanet
Frontier North
Introduced 02/04/1994
Landline
Woodstock
Level 3 Communications
Introduced 04/02/2002
Landline
Saunemin
Sprint Communications Company, L.p.
Introduced 11/23/2004
Wireless
Rockford
Sprint Spectrum L.p.
Introduced 06/04/2002
Landline
Beloit
Mcleodusa Telecommunications Services- Il
Introduced 02/23/2001
Landline
Morris
Teleport Communications America
Introduced 12/28/2001
Landline
Lyndon
Essex Telcom
Introduced 06/13/2000
Landline
Gilman
Level 3 Communications
Introduced 12/06/2001
Landline
Rockford
Comcast Phone Of Illinois DBA Comco
Introduced 06/23/2006
Landline
Coal City
Level 3 Communications
Introduced 12/28/2001
Landline
Morris
AT&T Local
Introduced 01/24/2001
Wireless
Harvard
Sprint Spectrum L.p.
Introduced 07/05/2002
Landline
Rockford
New Cingular Wireless PCS
Introduced 09/28/2001
Landline
Joliet
Sprint Communications Company, L.p.
Introduced 06/30/2001
Wireless
Joliet
New Cingular Wireless PCS
Introduced 05/22/2001
Wireless
Sterling
Sprint Spectrum L.p.
Introduced 10/31/2001
Landline
New Lenox
Broadwing Communications
Introduced 06/30/2001
Wireless
Sterling
United States Cellular Corp. - Illinois
Introduced 10/22/2002
Wireless
Princeton
Sprint Spectrum L.p.
Introduced 07/05/2002
Landline
Rockford
Ameritech Illinois
Introduced 07/04/1995
Landline
Rockford
AT&T Local
Introduced 08/20/2000
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 10/15/1996
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Wonder Lake
Frontier North
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 10/15/1996
Landline
Plainfield
Ameritech Illinois
Introduced 02/16/2006
Landline
Oregon
Frontier North
Introduced 02/04/1994
Landline
Plainfield
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Mt Morris
Frontier North
Introduced 02/04/1994
Wireless
Joliet
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Lisbon
Ameritech Illinois
Introduced 02/04/1994
Landline
Capron
Sharon Telephone Co. - Illinois
Introduced 01/10/1996
Landline
Leaf River
Leaf River Telephone Co.
Introduced 02/04/1994
Wireless
Sycamore
Sprint Spectrum L.p.
Introduced 02/11/1995
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 07/04/1995
Landline
Graymont
Frontier Communications Of Prairie
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Warren
Frontier North
Introduced 02/04/1994
Landline
Marseilles
Marseilles Telephone Co. Of Marseilles
Introduced 05/13/2008
Landline
East Dubuque
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Dekalb
Frontier North
Introduced 02/04/1994
Wireless
Rockford
Answer America DBA Answer Usa
Introduced 01/10/1996
Landline
Marseilles
Mtco Communications
Introduced 01/23/2003
Wireless
Dekalb
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Dekalb
Frontier North
Introduced 02/04/1994
Landline
Dekalb
Frontier North
Introduced 02/04/1994
Landline
Dekalb
Frontier North
Introduced 02/04/1994
Wireless
Dekalb
American Messaging (am)
Introduced 04/10/2002
Landline
Dekalb
Frontier North
Introduced 02/04/1994
Wireless
Dekalb
United States Cellular Corp. - Illinois
Introduced 02/04/1994
Landline
Dekalb
Frontier North
Introduced 02/04/1994
Landline
Mchenry
Ameritech Illinois
Introduced 02/04/1994
Wireless
Hennepin
Cellco Partnership DBA Verizon Wireless
Introduced 10/25/2005
Wireless
Dekalb
Cellco Partnership DBA Verizon Wireless
Introduced 01/10/1996
Wireless
Dekalb
Cellco Partnership DBA Verizon Wireless
Introduced 01/25/1998
Wireless
Rockford
Answer America DBA Answer Usa
Introduced 05/18/1998
Wireless
Dekalb
United States Cellular Corp. - Illinois
Introduced 08/14/1998
Landline
Poplar Grove
Frontier North
Introduced 02/04/1994
Wireless
Dekalb
United States Cellular Corp. - Illinois
Introduced 02/27/1999
Wireless
La Grange Park
American Messaging (am)
Introduced 04/16/2001
Wireless
Joliet
Ameritech Illinois
Introduced 08/20/2000
Landline
Seneca
Broadwing Communications
Introduced 04/27/2001
Landline
Harvard
Charter Fiberlink - Illinois
Introduced 02/13/2006
Landline
Ashkum
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Morrison
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Landline
Joliet
Ameritech Illinois
Introduced 02/04/1994
Wireless
Woodstock
Usa Mobility Wireless
Introduced 07/04/1995
Landline
Galena
Ameritech Illinois
Introduced 07/22/1999
Landline
Galena
Ameritech Illinois
Introduced 02/04/1994
Landline
Lyndon
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
La Salle
Broadwing Communications
Introduced 08/22/2001
Landline
Chebanse
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Plainfield
Broadwing Communications
Introduced 03/03/2001
Landline
Gilman
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Genoa
Frontier North
Introduced 02/04/1994
Landline
Watseka
Rcn Telecom Services Of Illinois
Introduced 07/22/1999
Landline
Sandwich
Frontier North
Introduced 02/04/1994
Landline
Dekalb
Frontier North
Introduced 05/18/1998
Landline
Crystal Lake
Ameritech Illinois
Introduced 03/22/2001
Landline
Orangeville
Frontier North
Introduced 02/04/1994
Wireless
Woodstock
Sprint Spectrum L.p.
Introduced 06/30/2001
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 07/24/2001
Landline
Harding
Ameritech Illinois
Introduced 02/04/1994
Wireless
Dekalb
T-mobile Usa
Introduced 06/25/2001
Landline
Marseilles
Marseilles Telephone Co. Of Marseilles
Introduced 10/15/1996
Landline
Marseilles
Marseilles Telephone Co. Of Marseilles
Introduced 02/04/1994
Landline
Flanagan
Frontier Communications Of Prairie
Introduced 02/04/1994
Landline
Somonauk
Level 3 Communications
Introduced 12/06/2001
Landline
Milledgeville
Essex Telcom
Introduced 06/13/2000
Landline
Sterling
Level 3 Communications
Introduced 02/13/2002
Landline
Poplar Grove
Mediacom Telephony Of Illinois
Introduced 03/24/2010
Landline
Freeport
Aero North Communications
Introduced 03/03/2001
Landline
Kankakee
Ameritech Illinois
Introduced 09/28/2001
Landline
Byron
Aero North Communications
Introduced 03/22/2001
Landline
Pecatonica
Aero North Communications
Introduced 03/03/2001
Landline
Durand
Aero North Communications
Introduced 03/03/2001
Landline
Frankfort
Ameritech Illinois
Introduced 03/03/2001
Landline
German Valley
Aero North Communications
Introduced 03/03/2001
Landline
Winslow
Aero North Communications
Introduced 03/03/2001
Landline
Lena
Aero North Communications
Introduced 03/03/2001
Landline
Pearl City
Aero North Communications
Introduced 03/03/2001
Landline
Dakota
Aero North Communications
Introduced 03/03/2001
Landline
Apple River
Aero North Communications
Introduced 03/03/2001
Wireless
Woodstock
T-mobile Usa
Introduced 04/27/2001
Landline
Dakota
Aero North Communications
Introduced 03/03/2001
Landline
Hanover
Aero North Communications
Introduced 03/03/2001
Landline
Warren
Aero North Communications
Introduced 03/03/2001
Landline
Orangeville
Aero North Communications
Introduced 03/03/2001
Landline
Elizabeth
Aero North Communications
Introduced 03/03/2001
Landline
Freeport
United States Cellular Corp. - Illinois
Introduced 05/22/2001
Wireless
Streator
New Cingular Wireless PCS
Introduced 04/27/2001
Landline
Joliet
Xo Illinois
Introduced 02/27/1999
Landline
Shabbona
Frontier North
Introduced 02/04/1994
Landline
Malta
Frontier North
Introduced 02/04/1994
Wireless
Somonauk
Cellco Partnership DBA Verizon Wireless
Introduced 05/12/2004
Landline
Maple Park
Frontier North
Introduced 02/04/1994
Landline
Minooka
Xo Illinois
Introduced 08/22/2001
Landline
Chadwick
Essex Telcom
Introduced 06/13/2000
Wireless
Oglesby
New Cingular Wireless PCS
Introduced 09/11/1994
Landline
Davis
Aero North Communications
Introduced 03/03/2001
Landline
Saunemin
Frontier Communications Of Illinois
Introduced 02/04/1994
Landline
Mc Connell
Aero North Communications
Introduced 03/03/2001
Landline
Lockport
Ameritech Illinois
Introduced 02/04/1994
Landline
Dixon
Essex Telcom
Introduced 06/13/2000
Landline
Lockport
Ameritech Illinois
Introduced 02/04/1994
Landline
Forreston
Aero North Communications
Introduced 03/03/2001
Landline
Lockport
Ameritech Illinois
Introduced 02/04/1994
Landline
Kankakee
Xo Illinois
Introduced 06/30/2001
Landline
Stockton
Aero North Communications
Introduced 03/03/2001
Landline
Mt Morris
Essex Telcom
Introduced 06/13/2000
Landline
Pontiac
Frontier North
Introduced 02/04/1994
Landline
Ashton
Essex Telcom
Introduced 06/13/2000
Landline
Pontiac
Frontier North
Introduced 02/04/1994
Landline
Scales Mound
Frontier North
Introduced 02/04/1994
Landline
Joliet
Broadwing Communications
Introduced 10/11/1997
Landline
Rockford
Sbc Internet Services
Introduced 04/18/2005
Wireless
Pontiac
Illinois Valley Cellular Rsa 2-i Partnership
Introduced 02/04/1994
Landline
Sublette
Frontier North
Introduced 02/04/1994
Landline
Pecatonica
Aero North Communications
Introduced 03/03/2001
Wireless
Kankakee
Usa Mobility Wireless
Introduced 09/11/1994
Landline
Scales Mound
Aero North Communications
Introduced 03/03/2001
Landline
Wenona
Frontier North
Introduced 02/04/1994
Landline
Long Point
Frontier North
Introduced 02/04/1994
Landline
Milledgeville
Mediacom Telephony Of Illinois
Introduced 04/21/2006
Landline
Tonica
Leonore Mutual Telephone Co.
Introduced 02/04/1994
Landline
Amboy
Frontier North
Introduced 02/04/1994
Landline
Elizabeth
Frontier North
Introduced 02/04/1994
Landline
Rock Falls
Essex Telcom
Introduced 06/13/2000
Landline
Elwood
Teleport Communications America
Introduced 03/05/2010
Wireless
Woodstock
New Cingular Wireless PCS
Introduced 07/04/1995
Landline
Harvard
Charter Fiberlink - Illinois
Introduced 11/18/2008
Landline
Rutland
Frontier North
Introduced 02/04/1994
Landline
Shannon
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Davis
Frontier North
Introduced 02/04/1994
Wireless
Princeton
Illinois Valley Cellular Rsa 2-i Partnership
Introduced 02/04/1994
Wireless
Pontiac
Sprint Spectrum L.p.
Introduced 04/27/2001
Landline
Mc Connell
Frontier North
Introduced 02/04/1994
Landline
Magnolia
Frontier North
Introduced 02/04/1994
Wireless
Rockford
Usa Mobility Wireless
Introduced 07/04/1995
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 01/10/1996
Landline
Princeton
Frontier North
Introduced 02/04/1994
Landline
New Milford
Frontier North
Introduced 04/01/1997
Landline
New Milford
Frontier North
Introduced 02/04/1994
Landline
Princeton
Frontier North
Introduced 02/04/1994
Landline
Princeton
Frontier North
Introduced 10/11/1997
Landline
Loves Park
Ameritech Illinois
Introduced 02/04/1994
Wireless
Princeton
New Cingular Wireless PCS
Introduced 02/04/1994
Landline
Princeton
Frontier North
Introduced 02/04/1994
Landline
Woodstock
Xo Illinois
Introduced 01/24/2001
Landline
Oregon
Essex Telcom
Introduced 06/13/2000
Landline
Mc Nabb
Mcnabb Telephone Co.
Introduced 02/04/1994
Landline
Oglesby
Ameritech Illinois
Introduced 02/04/1994
Landline
Harvard
Mediacom Telephony Of Illinois
Introduced 03/23/2010
Landline
Caledonia
Frontier North
Introduced 02/04/1994
Landline
Romeoville
Ameritech Illinois
Introduced 02/04/1994
Landline
Harvard
Teleport Communications America
Introduced 05/03/2002
Landline
Rochelle
Level 3 Communications
Introduced 11/27/2006
Landline
Milford
Frontier Communications Of The Carolinas, Inc
Introduced 02/04/1994
Landline
New Milford
Aero North Communications
Introduced 05/27/2003
Landline
Winnebago
Aero North Communications
Introduced 06/25/2001
Landline
Shannon
Essex Telcom
Introduced 06/13/2000
Landline
Crystal Lake
Comcast Phone Of Illinois DBA Comco
Introduced 12/30/2004
Landline
Ladd
Frontier North
Introduced 02/04/1994
Landline
Sycamore
Frontier North
Introduced 02/04/1994
Landline
Durand
Aero North Communications
Introduced 07/24/2001
Landline
Lyndon
Mediacom Telephony Of Illinois
Introduced 06/01/2006
Landline
Elizabeth
Aero North Communications
Introduced 02/23/2001
Landline
Sycamore
Frontier North
Introduced 02/04/1994
Landline
Amboy
Cricket Communications
Introduced 08/04/2010
Landline
Dekalb
Comcast Phone Of Illinois DBA Comco
Introduced 02/14/2005
Landline
Lyndon
Mediacom Telephony Of Illinois
Introduced 03/27/2005
Wireless
Mchenry
American Messaging (am)
Introduced 02/27/2002
Wireless
Rockford
New Cingular Wireless PCS
Introduced 08/31/2006
Landline
Lockport
Level 3 Communications
Introduced 02/27/2002
Landline
Mt Carroll
Mediacom Telephony Of Illinois
Introduced 04/21/2006
Landline
Manteno
Broadwing Communications
Introduced 12/06/2001
Wireless
Freeport
Sprint Communications Company, L.p.
Introduced 09/30/2002
Landline
Dekalb
T-mobile Usa
Introduced 10/31/2001
Wireless
Mendota
Illinois Valley Cellular Rsa 2-i Partnership
Introduced 06/25/2001
Landline
Belvidere
Aero North Communications
Introduced 09/28/2001
Landline
Joliet
Sprint Communications Company, L.p.
Introduced 04/21/2006
Wireless
Rockford
Sprint Spectrum L.p.
Introduced 06/30/2001
Landline
Coal City
Level 3 Communications
Introduced 12/28/2001
Wireless
Minooka
Broadvox-clec
Introduced 10/13/2005
Landline
Rochelle
Essex Telcom
Introduced 06/13/2000
Landline
Clifton
Level 3 Communications
Introduced 08/22/2001
Wireless
Joliet
T-mobile Usa
Introduced 02/23/2001
Landline
Cornell
Mediacom Telephony Of Illinois
Introduced 06/01/2006
Landline
Rockford
Ameritech Illinois
Introduced 04/27/2001
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Landline
Union
Ameritech Illinois
Introduced 02/04/1994
Landline
Prophetstown
Essex Telcom
Introduced 06/13/2000
Landline
Hennepin
Frontier North
Introduced 02/04/1994
Landline
Wilmington
Broadwing Communications
Introduced 05/22/2001
Landline
Joliet
Broadwing Communications
Introduced 10/13/1999
Landline
Kankakee
Ameritech Illinois
Introduced 02/04/1994
Landline
Kankakee
Ameritech Illinois
Introduced 07/06/1997
Landline
Elizabeth
Mediacom Telephony Of Illinois
Introduced 03/27/2005
Wireless
Joliet
New Cingular Wireless PCS
Introduced 07/04/1995
Landline
Kankakee
Ameritech Illinois
Introduced 02/04/1994
Landline
Kankakee
Ameritech Illinois
Introduced 02/04/1994
Landline
Emington
Frontier North
Introduced 02/04/1994
Landline
Kankakee
Ameritech Illinois
Introduced 02/04/1994
Landline
Kankakee
Ameritech Illinois
Introduced 02/04/1994
Landline
Kankakee
Ameritech Illinois
Introduced 02/04/1994
Landline
Forreston
Frontier North
Introduced 02/04/1994
Landline
Kankakee
Ameritech Illinois
Introduced 02/04/1994
Landline
Gardner
Level 3 Communications
Introduced 05/03/2002
Landline
Morris
Ameritech Illinois
Introduced 02/04/1994
Landline
Morris
Ameritech Illinois
Introduced 02/04/1994
Landline
Harvard
Ameritech Illinois
Introduced 02/04/1994
Landline
Saint Anne
Ameritech Illinois
Introduced 02/04/1994
Landline
Chenoa
Frontier North
Introduced 02/04/1994
Landline
Polo
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Stockton
Frontier North
Introduced 02/04/1994
Landline
Prophetstown
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 02/04/1994
Landline
Cabery
Frontier North
Introduced 02/04/1994
Landline
Amboy
Essex Telcom
Introduced 06/13/2000
Landline
Lanark
Aero North Communications
Introduced 07/18/2006
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Wireless
Kankakee
Cellco Partnership DBA Verizon Wireless
Introduced 02/11/1995
Wireless
Joliet
Sprint Spectrum L.p.
Introduced 07/05/2002
Landline
Morrison
Citizens Telecom Co Illinois-frontier Citizens -il
Introduced 06/01/2006
Landline
Rockton
Level 3 Communications
Introduced 02/22/2005
Landline
Leaf River
North County Communications Corp. - CA
Introduced 06/04/2002
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Wireless
Sycamore
Sprint Spectrum L.p.
Introduced 07/05/2002
Landline
Rockford
Ameritech Illinois
Introduced 04/15/1996
Landline
Rockford
Ameritech Illinois
Introduced 07/01/1996
Wireless
Dixon
United States Cellular Corp. - Illinois
Introduced 01/14/2000
Landline
Tampico
Essex Telcom
Introduced 06/13/2000
Wireless
Belvidere
New Cingular Wireless PCS
Introduced 09/03/2002
Landline
Rockford
Mci Worldcom Communications
Introduced 06/25/2003
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 07/04/1995
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 04/01/1997
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 06/15/2006
Landline
Ottawa
Level 3 Communications
Introduced 09/30/2002
Landline
Tampico
Essex Telcom
Introduced 06/13/2000
Wireless
Rockford
American Messaging (am)
Introduced 02/04/1994
Landline
Wellington
Frontier Communications Of The Carolinas, Inc
Introduced 02/04/1994
Wireless
Rockford
Cellco Partnership DBA Verizon Wireless
Introduced 02/04/1994
Wireless
Rockford
Us Xchange Of Illinois LLC DBA Choice One Comm Il
Introduced 02/27/1999
Landline
Rockford
Ameritech Illinois
Introduced 02/04/1994
Wireless
Rockford
United States Cellular Corp. - Illinois
Introduced 02/04/1994
Landline
Prophetstown
Mediacom Telephony Of Illinois
Introduced 07/29/2005
Wireless
Freeport
Cellco Partnership DBA Verizon Wireless
Introduced 10/22/2002
Landline
Sycamore
Essex Telcom
Introduced 06/13/2000
Wireless
Streator
Sprint Spectrum L.p.
Introduced 04/21/2005
Wireless
Oglesby
New Cingular Wireless PCS
Introduced 09/22/2006
Wireless
Dixon
Sprint Spectrum L.p.
Introduced 04/14/2003
Landline
Dekalb
Teleport Communications America
Introduced 06/10/2009
Wireless
Savanna
Sprint Spectrum L.p.
Introduced 07/18/2006
Landline
Rockford
Mcleodusa Telecommunications Services- Il
Introduced 03/26/2003
Landline
Odell
Frontier North
Introduced 02/04/1994
Landline
Joliet
Sprint Spectrum L.p.
Introduced 11/11/2003

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