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720 Area Code

About Area Code 720

State: Colorado
Major City: Denver
Timezone: Mountain (6:47pm)
Short URL: allareacodes.com/720
Download: Download this data

Area Code 720 Map

  • Arvada, CO
  • Aurora, CO
  • Boulder, CO
  • Brighton, CO
  • Broomfield, CO
  • Castle Rock, CO
  • Castlewood, CO
  • Columbine, CO
  • Commerce City, CO
  • Denver, CO
  • Englewood, CO
  • Highlands Ranch, CO
  • Ken Caryl, CO
  • Lafayette, CO
  • Lakewood, CO
  • Littleton, CO
  • Longmont, CO
  • Loveland, CO
  • Northglenn, CO
  • Parker, CO
  • Southglenn, CO
  • Thornton, CO
  • Westminster, CO
  • Wheat Ridge, CO

More About Area Code 720

Area code 720 was first put in service June 1, 1998. Currently, the largest city it serves is Denver, CO, and it overlaps coverage areas with area code 303.

Overview of Active Prefixes

Assigned to Carrier

Usage

Carriers

Active Phone Number Prefixes

Prefix
Usage
Primary City
Carrier
Introduced
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/30/2001
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 10/07/2009
Wireless
Denver
Sprint Spectrum L.p.
Introduced 01/29/2001
Landline
Longmont
AT&T Local
Introduced 02/27/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 06/30/2001
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Englewood
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 01/14/2000
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 06/30/2001
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 03/03/2001
Landline
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 10/12/2009
Landline
Aurora
Teleport Communications America
Introduced 01/29/2001
Wireless
Denver
T-mobile Usa
Introduced 02/27/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 01/14/2000
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 01/14/2000
Wireless
Denver
T-mobile Usa
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Englewood
Xo Colorado
Introduced 05/10/1999
Landline
Brighton
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Brighton
Xo Colorado
Introduced 05/10/1999
Wireless
Denver
T-mobile Usa
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
New Cingular Wireless PCS
Introduced 09/28/2009
Landline
Denver
T-mobile Usa
Introduced 06/30/2001
Landline
Denver
AT&T Local
Introduced 03/03/2001
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 10/09/2008
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/30/2009
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/30/2001
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 11/21/2011
Landline
Englewood
Xo Colorado
Introduced 05/10/1999
Landline
Brighton
Xo Colorado
Introduced 05/20/2004
Landline
Denver
Cbeyond Communications
Introduced 10/31/2000
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Aurora
Level 3 Communications
Introduced 10/25/2002
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Landline
Denver
Xo Colorado
Introduced 05/10/1999
Landline
Denver
Teleport Communications America
Introduced 10/31/2000
Landline
Denver
Level 3 Communications
Introduced 10/25/2002
Wireless
Denver
Sprint Spectrum L.p.
Introduced 06/13/2000
Wireless
Denver
T-mobile Usa
Introduced 05/10/1999
Landline
Aurora
Icg Telecom Group
Introduced 08/20/2000
Landline
Brighton
Level 3 Communications
Introduced 10/25/2002
Landline
Denver
Qwest Corporation
Introduced 03/03/2001
Landline
Brighton
Xo Colorado
Introduced 05/03/2004
Landline
Denver
Level 3 Communications
Introduced 10/25/2002
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 06/13/2000
Wireless
Denver
New Cingular Wireless PCS
Introduced 01/18/2001
Wireless
Denver
New Cingular Wireless PCS
Introduced 01/18/2001
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 03/03/2001
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 02/22/2001
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 02/22/2001
Landline
Aurora
Level 3 Communications
Introduced 03/03/2001
Landline
Aurora
Tw Telecom Of Colorado LLC
Introduced 01/25/2001
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 01/25/2001
Wireless
Denver
T-mobile Usa
Introduced 10/31/2000
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 06/13/2000
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 01/25/2001
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
Landline
Denver
Xo Colorado
Introduced 02/27/1999
Landline
Englewood
Xo Colorado
Introduced 01/30/2009
Landline
Denver
Teleport Communications America
Introduced 04/30/2002
Landline
Denver
Comcast Phone Of Colorado
Introduced 04/30/2010
Landline
Aurora
Bandwidth.com Clec
Introduced 02/26/2010
Wireless
Denver
New Cingular Wireless PCS
Introduced 07/25/2001
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
Wireless
Denver
New Cingular Wireless PCS
Introduced 03/04/2009
Landline
Denver
Xo Colorado
Introduced 06/13/2000
Landline
Denver
Xo Colorado
Introduced 06/13/2000
Landline
Denver
Bandwidth.com Clec
Introduced 03/01/2010
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/12/2001
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/12/2001
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/12/2001
Wireless
Denver
T-mobile Usa
Introduced 03/03/2001
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 01/29/2001
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 01/29/2001
Landline
Lyons
AT&T Local
Introduced 08/02/2012
Landline
Denver
New Cingular Wireless PCS
Introduced 08/14/2001
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 12/05/2001
Landline
Lyons
Teleport Communications America
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/20/2001
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/20/2001
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/20/2001
Landline
Denver
360networks (usa) Inc.
Introduced 10/14/2009
Landline
Denver
Bandwidth.com Clec
Introduced 05/24/2010
Wireless
Denver
Sprint Spectrum L.p.
Introduced 01/14/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 04/19/2001
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/13/2000
Landline
Denver
Qwest Corporation
Introduced 05/29/2008
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Wireless
Denver
T-mobile Usa
Introduced 03/03/2001
Landline
Aurora
Comcast Phone Of Colorado
Introduced 10/31/2000
Wireless
Aurora
T-mobile Usa
Introduced 08/06/2010
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/13/2011
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/18/2001
Landline
Denver
Comcast Phone Of Colorado
Introduced 10/20/2009
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/18/2001
Landline
Denver
Icg Telecom Group
Introduced 02/27/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
Landline
Denver
Mcimetro Access Transmission Services LLC
Introduced 02/27/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/14/2001
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/14/2001
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/14/2001
Landline
Keenesburg
Bandwidth.com Clec
Introduced 07/19/2010
Landline
Denver
Qwest Corporation
Introduced 02/18/2009
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 11/19/2001
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
Wireless
Longmont
Cellco Partnership DBA Verizon Wireless
Introduced 09/04/2009
Wireless
Denver
T-mobile Usa
Introduced 10/31/2000
Landline
Denver
AT&T Local
Introduced 04/15/2009
Landline
Aurora
Level 3 Communications
Introduced 10/31/2003
Landline
Littleton
Qwest Corporation
Introduced 10/13/1999
Landline
Denver
Zippytech Incorporated
Introduced 12/28/2007
Landline
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 02/27/1999
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 09/28/2009
Landline
Littleton
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
AT&T Local
Introduced 03/28/2011
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
Wireless
Denver
T-mobile Usa
Introduced 02/27/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 06/30/2011
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 08/16/2012
Landline
Denver
AT&T Local
Introduced 02/27/1999
Wireless
Denver
New Cingular Wireless PCS
Introduced 07/05/2012
Landline
Hudson
Mcimetro Access Transmission Services LLC
Introduced 09/09/2009
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
Wireless
Denver
New Cingular Wireless PCS
Introduced 01/28/2013
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 07/03/2013
Landline
Denver
Qwest Corporation
Introduced 06/06/2007
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/13/1999
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/15/2002
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/15/2002
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/15/2002
Landline
Englewood
Xo Colorado
Introduced 12/13/2004
Landline
Englewood
Xo Colorado
Introduced 04/30/2004
Wireless
Denver
New Cingular Wireless PCS
Introduced 03/14/2011
Landline
Denver
Bandwidth.com Clec
Introduced 01/04/2013
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/13/1999
Wireless
Aurora
T-mobile Usa
Introduced 09/09/2013
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
Wireless
Denver
Commnet Wireless
Introduced 07/10/2007
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 11/12/2012
Landline
Denver
Xo Colorado
Introduced 01/14/2000
Wireless
Longmont
New Cingular Wireless PCS
Introduced 01/19/2010
Landline
Denver
Icg Telecom Group
Introduced 08/20/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/01/2013
Landline
Denver
Comcast Phone Of Colorado
Introduced 08/03/2005
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 08/20/2000
Wireless
Fort Lupton
Cellco Partnership DBA Verizon Wireless
Introduced 11/13/2008
Landline
Denver
Xo Colorado
Introduced 08/20/2000
Landline
Denver
Xo Colorado
Introduced 08/20/2000
Landline
Idaho Springs
Bandwidth.com Clec
Introduced 12/03/2012
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 09/04/2012
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 01/11/2010
Landline
Denver
Xo Colorado
Introduced 11/17/2008
Landline
Denver
Iloka DBA Newcloud Networks
Introduced 07/18/2013
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 07/12/2013
Landline
Deer Trail
Ymax Communications Corp.
Introduced 01/30/2009
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 06/07/2010
Wireless
Denver
T-mobile Usa
Introduced 03/03/2001
Landline
Denver
AT&T Local
Introduced 09/04/2009
Landline
Denver
AT&T Local
Introduced 09/08/2009
Landline
Denver
AT&T Local
Introduced 09/08/2009
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/28/2010
Landline
Denver
Level 3 Communications
Introduced 05/06/2011
Wireless
Englewood
T-mobile Usa
Introduced 10/28/2010
Wireless
Denver
T-mobile Usa
Introduced 01/13/2009
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 05/10/2011
Landline
Denver
Peerless Network Of Colorado
Introduced
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/18/2001
Landline
Denver
Hypercube Telecom
Introduced 08/30/2013
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
Landline
Denver
Cbeyond Communications
Introduced 10/31/2000
Landline
Brighton
Bandwidth.com Clec
Introduced 11/15/2012
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 11/22/2011
Unknown
Comcast Phone Of Colorado
Introduced 06/27/2014
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/28/2010
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 08/27/2008
Landline
Lyons
Level 3 Communications
Introduced 10/04/2011
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 06/12/2013
Unknown
Metro PCS
Introduced 06/30/2014
Landline
Denver
Mcimetro Access Transmission Services LLC
Introduced 03/12/2014
Landline
Denver
Level 3 Communications
Introduced 05/26/2010
Wireless
Denver
T-mobile Usa
Introduced 03/20/2009
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 09/26/2001
Landline
Denver
Qwest Corporation
Introduced 04/22/2004
Landline
Denver
Qwest Corporation
Introduced 04/22/2004
Landline
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 01/15/2008
Landline
Denver
Qwest Corporation
Introduced 04/20/2010
Wireless
Aurora
T-mobile Usa
Introduced 02/04/2002
Landline
Denver
Broadvox-clec
Introduced 12/12/2011
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 07/02/2008
Landline
Denver
AT&T Local
Introduced 06/28/2012
Wireless
Denver
New Cingular Wireless PCS
Introduced 09/22/2010
Landline
Denver
Bandwidth.com Clec
Introduced 02/26/2010
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 02/12/2008
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/30/2001
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/30/2001
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/30/2001
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 02/08/2011
Landline
Longmont
360networks (usa) Inc.
Introduced 09/26/2006
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 04/21/2010
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 05/12/2010
Landline
Denver
Bandwidth.com Clec
Introduced 05/18/2011
Landline
Longmont
Bandwidth.com Clec
Introduced 04/04/2011
Landline
Denver
Bandwidth.com Clec
Introduced 10/07/2010
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 09/15/2010
Landline
Denver
Xo Colorado
Introduced 02/23/2011
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 02/22/2008
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 04/09/2008
Landline
Denver
Xo Colorado
Introduced 01/14/2000
Landline
Denver
Mcimetro Access Transmission Services LLC
Introduced 01/08/2014
Wireless
Denver
T-mobile Usa
Introduced
Landline
Denver
Peerless Network Of Colorado
Introduced 12/28/2010
Unknown
Teleport Communications America
Introduced 06/12/2014
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 08/11/2010
Landline
Denver
Qwest Corporation
Introduced 07/02/2010
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 07/23/2013
Landline
Denver
Level 3 Communications
Introduced 05/28/2008
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 09/27/2010
Landline
Denver
Onvoy
Introduced 10/15/2010
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 11/13/2013
Landline
Sedalia
Onvoy
Introduced 02/05/2013
Landline
Denver
Bandwidth.com Clec
Introduced 04/21/2011
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/03/2012
Wireless
Fort Lupton
New Cingular Wireless PCS
Introduced 06/28/2010
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 01/10/2014
Landline
Denver
Level 3 Communications
Introduced 12/17/2001
Landline
Denver
New Cingular Wireless PCS
Introduced 09/23/2011
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
Unknown
Cellco Partnership DBA Verizon Wireless
Introduced 06/12/2014
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
Landline
Denver
Cbeyond Communications
Introduced 12/11/2007
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/31/2011
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
Unknown
New Cingular Wireless PCS
Introduced 05/19/2014
Landline
Henderson
360networks (usa) Inc.
Introduced 08/09/2011
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 05/08/2013
Landline
Denver
Teleport Communications America
Introduced 06/13/2000
Wireless
Denver
New Cingular Wireless PCS
Introduced 08/20/2000
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 07/18/2011
Unknown
Comcast Phone Of Colorado
Introduced 05/08/2014
Landline
Denver
Qwest Corporation
Introduced 03/03/2001
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
Wireless
Longmont
New Cingular Wireless PCS
Introduced 11/16/2011
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Landline
Longmont
Qwest Corporation
Introduced 06/13/2000
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 09/28/2001
Landline
Denver
Level 3 Communications
Introduced 12/17/2001
Landline
Golden
Qwest Corporation
Introduced 07/22/1999
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 09/10/2012
Wireless
Aurora
T-mobile Usa
Introduced 08/09/2011
Landline
Denver
Comcast Phone Of Colorado
Introduced 11/15/2012
Landline
Denver
Bandwidth.com Clec
Introduced 05/24/2013
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 01/11/2011
Landline
Denver
Level 3 Communications
Introduced 12/17/2001
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 06/26/2012
Landline
Denver
Xo Colorado
Introduced 04/02/2010
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
Landline
Denver
Bandwidth.com Clec
Introduced 02/11/2010
Unknown
Eschelon Telecom Of Colorado
Introduced 05/16/2014
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
Wireless
Denver
American Messaging (am)
Introduced 07/22/1999
Landline
Englewood
Xo Colorado
Introduced 11/19/2010
Landline
Brighton
Qwest Corporation
Introduced 05/24/2010
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 04/02/2013
Unknown
New Cingular Wireless PCS
Introduced 06/12/2014
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
Wireless
Denver
New Cingular Wireless PCS
Introduced 10/31/2000
Landline
Aurora
Teleport Communications America
Introduced 02/27/1999
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
Wireless
Fort Lupton
Cellco Partnership DBA Verizon Wireless
Introduced 09/24/2012
Wireless
Denver
New Cingular Wireless PCS
Introduced 07/08/2011
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 09/28/2012
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Level 3 Communications
Introduced 06/12/2009
Landline
Denver
Global Crossing Local Services-co
Introduced 05/10/1999
Landline
Denver
Level 3 Communications
Introduced 07/22/1999
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 06/25/2013
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 04/01/2011
Wireless
Longmont
Cellco Partnership DBA Verizon Wireless
Introduced 11/16/2012
Landline
Aurora
Qwest Corporation
Introduced 06/22/2012
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/2011
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 06/12/2013
Landline
Denver
Qwest Corporation
Introduced 03/13/2002
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
Wireless
Denver
New Cingular Wireless PCS
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 04/18/2008
Landline
Denver
Qwest Corporation
Introduced 03/03/2001
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Level 3 Communications
Introduced 07/22/1999
Landline
Denver
Qwest Corporation
Introduced 02/27/2001
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/08/2008
Landline
Denver
Qwest Corporation
Introduced 10/13/1999
Unknown
Level 3 Communications
Introduced 07/03/2014
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
Landline
Denver
Xo Colorado
Introduced 01/14/2000
Landline
Keenesburg
Bandwidth.com Clec
Introduced 03/15/2013
Wireless
Denver
Sprint Spectrum L.p.
Introduced 03/03/2001
Landline
Denver
360networks (usa) Inc.
Introduced 09/30/2010
Wireless
Denver
Commnet Wireless
Introduced 11/02/2012
Landline
Denver
AT&T Local
Introduced 02/27/1999
Wireless
Denver
365 Wireless
Introduced 10/17/2012
Wireless
Aurora
T-mobile Usa
Introduced 04/30/2013
Landline
Denver
360networks (usa) Inc.
Introduced 02/05/2013
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 04/02/2014
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 02/13/2012
Landline
Longmont
360networks (usa) Inc.
Introduced 12/20/2012
Wireless
Fort Lupton
New Cingular Wireless PCS
Introduced 08/12/2011
Landline
Idaho Springs
Bandwidth.com Clec
Introduced 07/19/2010
Unknown
New Cingular Wireless PCS
Introduced 06/03/2014
Wireless
Denver
Sprint Spectrum L.p.
Introduced 07/22/2011
Landline
Hudson
Mcimetro Access Transmission Services LLC
Introduced 03/01/2013
Unknown
Cellco Partnership DBA Verizon Wireless
Introduced 07/10/2014
Landline
Idaho Springs
Bandwidth.com Clec
Introduced 03/25/2014
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/27/2002
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/27/2002
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Neutral Tandem-colorado
Introduced 02/17/2012
Landline
Denver
Teleport Communications America
Introduced 06/30/2001
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 09/20/2011
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 01/11/2011
Landline
Denver
Qwest Corporation
Introduced 03/06/2012
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/04/2002
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/04/2002
Wireless
Denver
New Cingular Wireless PCS
Introduced 10/23/2013
Wireless
Denver
New Cingular Wireless PCS
Introduced 12/28/2010
Landline
Brighton
Mcimetro Access Transmission Services LLC
Introduced 11/16/2012
Wireless
Denver
New Cingular Wireless PCS
Introduced 02/27/1999
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 11/13/2013
Landline
Denver
Comcast Phone Of Colorado
Introduced 01/17/2013
Unknown
360networks (usa) Inc.
Introduced 05/14/2014
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/31/2000
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 04/01/2011
Wireless
Denver
T-mobile Usa
Introduced 03/05/2014
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/2011
Landline
Longmont
Qwest Corporation
Introduced 03/03/2001
Wireless
Denver
Telstar Communications Inc
Introduced 03/26/2010
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 04/08/2014
Landline
Denver
Bandwidth.com Clec
Introduced 05/28/2008
Landline
Denver
Peerless Network Of Colorado
Introduced 05/23/2012
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 05/12/2009
Landline
Fort Lupton
Bandwidth.com Clec
Introduced 05/15/2013
Landline
Longmont
Icg Telecom Group
Introduced 10/13/1999
Landline
Brighton
Qwest Corporation
Introduced 06/13/2000
Landline
Denver
Xo Colorado
Introduced 10/14/2010
Landline
Denver
Bandwidth.com Clec
Introduced 04/04/2011
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/27/2002
Landline
Denver
Teliax
Introduced 08/12/2011
Landline
Denver
Centurylink Communications LLC
Introduced 05/21/2010
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 02/04/2013
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 04/02/2013
Landline
Denver
Comcast Phone Of Colorado
Introduced 10/29/2013
Landline
Keenesburg
Bandwidth.com Clec
Introduced 03/02/2012
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 12/13/2012
Unknown
Bandwidth.com Clec
Introduced 04/29/2014
Landline
Aurora
Qwest Corporation
Introduced 10/31/2000
Landline
Golden
Qwest Corporation
Introduced 05/10/1999
Landline
Aurora
Qwest Corporation
Introduced 01/14/2000
Landline
Aurora
Qwest Corporation
Introduced 07/22/1999
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 03/30/2010
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 11/05/2009
Unknown
T-mobile Usa
Introduced 07/14/2014
Wireless
Denver
T-mobile Usa
Introduced 08/20/2000
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/14/2009
Landline
Aurora
Qwest Corporation
Introduced 02/09/2006
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
Landline
Aurora
Level 3 Communications
Introduced 08/05/2011
Landline
Henderson
360networks (usa) Inc.
Introduced 11/08/2012
Landline
Aurora
Bandwidth.com Clec
Introduced 10/20/2010
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
Unknown
Cellco Partnership DBA Verizon Wireless
Introduced 05/12/2014
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 07/22/1999
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Aurora
Qwest Corporation
Introduced 11/05/2003
Landline
Aurora
Qwest Corporation
Introduced 06/13/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 07/22/1999
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
Landline
Aurora
Qwest Corporation
Introduced 08/20/2000
Landline
Aurora
Qwest Corporation
Introduced 01/14/2000
Landline
Aurora
Qwest Corporation
Introduced 05/10/1999
Landline
Aurora
Xo Colorado
Introduced 06/13/2000
Landline
Denver
Xo Colorado
Introduced 06/13/2000
Landline
Longmont
Qwest Corporation
Introduced 06/13/2000
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 02/04/2010
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Landline
Denver
Level 3 Communications
Introduced 07/22/1999
Landline
Denver
Xo Colorado
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
Landline
Denver
Level 3 Communications
Introduced 12/17/2001
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
Landline
Denver
Global Crossing Local Services-co
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Landline
Denver
Global Crossing Local Services-co
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
Landline
Denver
Global Crossing Local Services-co
Introduced 10/13/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
Landline
Sedalia
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
Wireless
Denver
T-mobile Usa
Introduced 06/13/2000
Wireless
Denver
T-mobile Usa
Introduced 06/13/2000
Wireless
Denver
T-mobile Usa
Introduced 10/13/1999
Wireless
Denver
T-mobile Usa
Introduced 10/13/1999
Wireless
Denver
T-mobile Usa
Introduced 10/13/1999
Wireless
Denver
T-mobile Usa
Introduced 06/13/2000
Wireless
Denver
T-mobile Usa
Introduced 06/13/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
Landline
Denver
Global Crossing Local Services-co
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
Landline
Aurora
AT&T Local
Introduced 02/27/1999
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 07/22/1999
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
Landline
Denver
Level 3 Communications
Introduced 10/13/1999
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Wireless
Denver
T-mobile Usa
Introduced 06/07/2013
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 04/23/2002
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 10/31/2000
Landline
Aurora
Eschelon Telecom Of Colorado
Introduced 10/31/2000
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
Landline
Aurora
Comcast Phone Of Colorado
Introduced 12/01/2006
Landline
Denver
Dishnet Wireline, L.l.c.
Introduced 07/22/2008

Heavily Reported Numbers

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Most Searched Numbers

Prefixes with the Most Subscribers