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720 Area Code

About Area Code 720

State: Colorado
Major City: Denver
Timezone: Mountain
Current Time: 5:59pm
Short URL: allareacodes.com/720

Area Code 720 Map

Where is area code 720?

Area code 720 is located in central Colorado and covers Denver, Aurora, Lakewood, Thornton, Arvada, Westminster, and Centennial. It is an overlay for area code 303 and serves the same area.

What time zone is area code 720?

The 720 area code is located in the Mountain timezone. The Mountain time zone is also known as America/Denver. As of the last time this page was loaded, the current time is 5:59pm.

History

Area code 720 was first put in service June 1, 1998. It was created from area code 303.

Nearby Area Codes

303/720 (Denver, CO)
308 (Grand Island, NE)
505 (Albuquerque, NM)
575 (Las Cruces, NM)
580 (Lawton, OK)
719 (Colorado Springs, CO)
970 (Fort Collins, CO)

Top 12 Counties in Area Code 720

CountyTotal Population
Denver, CO600,158
Arapahoe, CO572,003
Jefferson, CO534,543
Adams, CO441,603
Boulder, CO294,567
Douglas, CO285,465
Broomfield, CO55,889
Weld, CO252,825
Elbert, CO23,086
Clear Creek, CO9,088
Gilpin, CO5,441
Park, CO16,206

Top 50 Cities in Area Code 720

CityTotal Population
Denver, CO600,158
Aurora, CO325,078
Lakewood, CO142,980
Thornton, CO118,772
Arvada, CO106,433
Westminster, CO106,114
Centennial, CO100,377
Boulder, CO97,385
Highlands Ranch, CO96,713
Longmont, CO86,270
Broomfield, CO55,889
Castle Rock, CO48,231
Commerce City, CO45,913
Parker, CO45,297
Littleton, CO41,737
Northglenn, CO35,789
Brighton, CO33,352
Ken Caryl, CO32,438
Dakota Ridge, CO32,005
Englewood, CO30,255
Wheat Ridge, CO30,166
Lafayette, CO24,453
Columbine, CO24,280
Golden, CO18,867
Louisville, CO18,376
Sherrelwood, CO18,287
Erie, CO18,135
Welby, CO14,846
Greenwood Village, CO13,925
Superior, CO12,483
Federal Heights, CO11,467
Berkley, CO11,207
Cherry Creek, CO11,120
The Pinery, CO10,517
Castle Pines North, CO10,360
Lone Tree, CO10,218
Firestone, CO10,147
Gunbarrel, CO9,263
Roxborough Park, CO9,099
Evergreen, CO9,038
Stonegate, CO8,962
Frederick, CO8,679
Derby, CO7,685
Fairmount, CO7,559
Fort Lupton, CO7,377
Applewood, CO7,160
Twin Lakes, CO6,101
Cherry Hills Village, CO5,987
Sheridan, CO5,664
Dove Valley, CO5,243

Largest Telephone Carriers

Landline

Prefixes Carrier
19%Qwest Corporation
8%Xo
4%Bandwidthcom Clec
4%Level 3
4%Teleport America
3%Icg Telecom Group
3%Eschelon Telecom
16%Other

Wireless

Prefixes Carrier
12%Sprint
7%Cricket Comm
6%Verizon Wireless
6%T-mobile
5%Cingular
1%Commnet Wireless
1%Telstar
1%Other

720 Area Code Prefixes

Assigned

Usage


Prefix
Usage
Primary City
Carrier
Introduced
(720) 200-
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
(720) 201-
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/30/2001
(720) 202-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 10/07/2009
(720) 203-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 01/29/2001
(720) 204-
Landline
Longmont
AT&T Local
Introduced 02/27/1999
(720) 205-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 06/30/2001
(720) 206-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 207-
Landline
Englewood
Xo Colorado
Introduced 05/10/1999
(720) 208-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 209-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 01/14/2000
(720) 210-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 212-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 213-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 06/30/2001
(720) 214-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 03/03/2001
(720) 215-
Landline
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 10/12/2009
(720) 216-
Landline
Aurora
Teleport Communications America
Introduced 01/29/2001
(720) 217-
Wireless
Denver
T-mobile Usa
Introduced 02/27/1999
(720) 218-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 01/14/2000
(720) 219-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 01/14/2000
(720) 220-
Wireless
Denver
T-mobile Usa
Introduced 05/10/1999
(720) 221-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 222-
Landline
Englewood
Xo Colorado
Introduced 05/10/1999
(720) 223-
Landline
Brighton
Xo Colorado
Introduced 05/10/1999
(720) 224-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 225-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 226-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 227-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 228-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 229-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 230-
Landline
Brighton
Xo Colorado
Introduced 05/10/1999
(720) 231-
Wireless
Denver
T-mobile Usa
Introduced 05/10/1999
(720) 232-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 233-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 234-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 235-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 236-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 237-
Wireless
Denver
New Cingular Wireless PCS
Introduced 09/28/2009
(720) 238-
Landline
Denver
T-mobile Usa
Introduced 06/30/2001
(720) 239-
Landline
Denver
AT&T Local
Introduced 03/03/2001
(720) 240-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 241-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 242-
Landline
Denver
Qwest Corporation
Introduced 10/09/2008
(720) 243-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/30/2009
(720) 244-
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/30/2001
(720) 245-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 11/21/2011
(720) 246-
Landline
Englewood
Xo Colorado
Introduced 05/10/1999
(720) 247-
Landline
Brighton
Xo Colorado
Introduced 05/20/2004
(720) 248-
Landline
Denver
Cbeyond Communications
Introduced 10/31/2000
(720) 249-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 250-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 251-
Landline
Aurora
Level 3 Communications
Introduced 10/25/2002
(720) 252-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 253-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 254-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 255-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 256-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 257-
Landline
Denver
Xo Colorado
Introduced 05/10/1999
(720) 258-
Landline
Denver
Teleport Communications America
Introduced 10/31/2000
(720) 259-
Landline
Denver
Level 3 Communications
Introduced 10/25/2002
(720) 260-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 06/13/2000
(720) 261-
Wireless
Denver
T-mobile Usa
Introduced 05/10/1999
(720) 262-
Landline
Aurora
Icg Telecom Group
Introduced 08/20/2000
(720) 263-
Landline
Brighton
Level 3 Communications
Introduced 10/25/2002
(720) 264-
Landline
Denver
Qwest Corporation
Introduced 03/03/2001
(720) 265-
Landline
Brighton
Xo Colorado
Introduced 05/03/2004
(720) 266-
Landline
Denver
Level 3 Communications
Introduced 10/25/2002
(720) 267-
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
(720) 268-
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
(720) 269-
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
(720) 270-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
(720) 271-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 06/13/2000
(720) 272-
Wireless
Denver
New Cingular Wireless PCS
Introduced 01/18/2001
(720) 273-
Wireless
Denver
New Cingular Wireless PCS
Introduced 01/18/2001
(720) 274-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 03/03/2001
(720) 275-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 02/22/2001
(720) 276-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 02/22/2001
(720) 277-
Landline
Aurora
Level 3 Communications
Introduced 03/03/2001
(720) 278-
Landline
Aurora
Tw Telecom Of Colorado LLC
Introduced 01/25/2001
(720) 279-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 01/25/2001
(720) 280-
Wireless
Denver
T-mobile Usa
Introduced 10/31/2000
(720) 281-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 06/13/2000
(720) 282-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 01/25/2001
(720) 283-
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
(720) 284-
Landline
Denver
Xo Colorado
Introduced 02/27/1999
(720) 285-
Landline
Englewood
Xo Colorado
Introduced 01/30/2009
(720) 286-
Landline
Denver
Teleport Communications America
Introduced 04/30/2002
(720) 287-
Landline
Denver
Comcast Phone Of Colorado
Introduced 04/30/2010
(720) 288-
Landline
Aurora
Bandwidth.com Clec
Introduced 02/26/2010
(720) 289-
Wireless
Denver
New Cingular Wireless PCS
Introduced 07/25/2001
(720) 290-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
(720) 291-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
(720) 292-
Wireless
Denver
New Cingular Wireless PCS
Introduced 03/04/2009
(720) 293-
Landline
Denver
Xo Colorado
Introduced 06/13/2000
(720) 294-
Landline
Denver
Xo Colorado
Introduced 06/13/2000
(720) 295-
Landline
Denver
Bandwidth.com Clec
Introduced 03/01/2010
(720) 296-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/12/2001
(720) 297-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/12/2001
(720) 298-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/12/2001
(720) 299-
Wireless
Denver
T-mobile Usa
Introduced 03/03/2001
(720) 300-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
(720) 301-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
(720) 302-
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
(720) 304-
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
(720) 305-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 01/29/2001
(720) 306-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 01/29/2001
(720) 307-
Landline
Lyons
AT&T Local
Introduced 08/02/2012
(720) 308-
Landline
Denver
New Cingular Wireless PCS
Introduced 08/14/2001
(720) 309-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 12/05/2001
(720) 310-
Landline
Lyons
Teleport Communications America
Introduced 05/10/1999
(720) 312-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/20/2001
(720) 313-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/20/2001
(720) 314-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/20/2001
(720) 315-
Landline
Denver
360networks (usa) Inc.
Introduced 10/14/2009
(720) 316-
Landline
Denver
Bandwidth.com Clec
Introduced 05/24/2010
(720) 317-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 01/14/2000
(720) 318-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
(720) 319-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 04/19/2001
(720) 320-
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/13/2000
(720) 321-
Landline
Denver
Qwest Corporation
Introduced 05/29/2008
(720) 322-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 323-
Wireless
Denver
T-mobile Usa
Introduced 03/03/2001
(720) 324-
Landline
Aurora
Comcast Phone Of Colorado
Introduced 10/31/2000
(720) 325-
Wireless
Aurora
T-mobile Usa
Introduced 08/06/2010
(720) 326-
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/13/2011
(720) 327-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/18/2001
(720) 328-
Landline
Denver
Comcast Phone Of Colorado
Introduced 10/20/2009
(720) 329-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/18/2001
(720) 330-
Landline
Denver
Icg Telecom Group
Introduced 02/27/1999
(720) 331-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 08/20/2000
(720) 332-
Landline
Denver
Mcimetro Access Transmission Services LLC
Introduced 02/27/1999
(720) 333-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/14/2001
(720) 334-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/14/2001
(720) 335-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/14/2001
(720) 336-
Landline
Keenesburg
Bandwidth.com Clec
Introduced 07/19/2010
(720) 337-
Landline
Denver
Qwest Corporation
Introduced 02/18/2009
(720) 338-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 11/19/2001
(720) 339-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
(720) 340-
Wireless
Longmont
Cellco Partnership DBA Verizon Wireless
Introduced 09/04/2009
(720) 341-
Wireless
Denver
T-mobile Usa
Introduced 10/31/2000
(720) 342-
Landline
Denver
AT&T Local
Introduced 04/15/2009
(720) 343-
Landline
Aurora
Level 3 Communications
Introduced 10/31/2003
(720) 344-
Landline
Littleton
Qwest Corporation
Introduced 10/13/1999
(720) 345-
Landline
Denver
Zippytech Incorporated
Introduced 12/28/2007
(720) 346-
Landline
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 02/27/1999
(720) 347-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 09/28/2009
(720) 348-
Landline
Littleton
Qwest Corporation
Introduced 10/31/2000
(720) 349-
Landline
Denver
AT&T Local
Introduced 03/28/2011
(720) 350-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
(720) 351-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
(720) 352-
Wireless
Denver
T-mobile Usa
Introduced 02/27/1999
(720) 353-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
(720) 354-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 06/30/2011
(720) 355-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 08/16/2012
(720) 356-
Landline
Denver
AT&T Local
Introduced 02/27/1999
(720) 357-
Wireless
Denver
New Cingular Wireless PCS
Introduced 07/05/2012
(720) 358-
Landline
Hudson
Mcimetro Access Transmission Services LLC
Introduced 09/09/2009
(720) 359-
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
(720) 360-
Wireless
Denver
New Cingular Wireless PCS
Introduced 01/28/2013
(720) 361-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 07/03/2013
(720) 362-
Landline
Denver
Qwest Corporation
Introduced 06/06/2007
(720) 363-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/13/1999
(720) 364-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/15/2002
(720) 365-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/15/2002
(720) 366-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/15/2002
(720) 367-
Landline
Englewood
Xo Colorado
Introduced 12/13/2004
(720) 368-
Landline
Englewood
Xo Colorado
Introduced 04/30/2004
(720) 369-
Wireless
Denver
New Cingular Wireless PCS
Introduced 03/14/2011
(720) 370-
Landline
Denver
Bandwidth.com Clec
Introduced 01/04/2013
(720) 371-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/13/1999
(720) 372-
Wireless
Aurora
T-mobile Usa
Introduced 09/09/2013
(720) 373-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/13/1999
(720) 374-
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
(720) 375-
Wireless
Denver
Commnet Wireless
Introduced 07/10/2007
(720) 376-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 11/12/2012
(720) 377-
Landline
Denver
Xo Colorado
Introduced 01/14/2000
(720) 378-
Wireless
Longmont
New Cingular Wireless PCS
Introduced 01/19/2010
(720) 379-
Landline
Denver
Icg Telecom Group
Introduced 08/20/2000
(720) 380-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/01/2013
(720) 381-
Landline
Denver
Comcast Phone Of Colorado
Introduced 08/03/2005
(720) 382-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 08/20/2000
(720) 383-
Wireless
Fort Lupton
Cellco Partnership DBA Verizon Wireless
Introduced 11/13/2008
(720) 384-
Landline
Denver
Xo Colorado
Introduced 08/20/2000
(720) 385-
Landline
Denver
Xo Colorado
Introduced 08/20/2000
(720) 386-
Landline
Idaho Springs
Bandwidth.com Clec
Introduced 12/03/2012
(720) 387-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 09/04/2012
(720) 388-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 01/11/2010
(720) 389-
Landline
Denver
Xo Colorado
Introduced 11/17/2008
(720) 390-
Landline
Denver
Iloka DBA Newcloud Networks
Introduced 07/18/2013
(720) 391-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 07/12/2013
(720) 392-
Landline
Deer Trail
Ymax Communications Corp.
Introduced 01/30/2009
(720) 393-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 06/07/2010
(720) 394-
Wireless
Denver
T-mobile Usa
Introduced 03/03/2001
(720) 395-
Landline
Denver
AT&T Local
Introduced 09/04/2009
(720) 396-
Landline
Denver
AT&T Local
Introduced 09/08/2009
(720) 397-
Landline
Denver
AT&T Local
Introduced 09/08/2009
(720) 398-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/28/2010
(720) 399-
Landline
Denver
Level 3 Communications
Introduced 05/06/2011
(720) 400-
Wireless
Englewood
T-mobile Usa
Introduced 10/28/2010
(720) 401-
Wireless
Denver
T-mobile Usa
Introduced 01/13/2009
(720) 402-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 05/10/2011
(720) 403-
Landline
Denver
Peerless Network Of Colorado
Introduced
(720) 404-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/18/2001
(720) 405-
Landline
Denver
Hypercube Telecom
Introduced 08/30/2013
(720) 406-
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
(720) 407-
Landline
Denver
Cbeyond Communications
Introduced 10/31/2000
(720) 408-
Landline
Brighton
Bandwidth.com Clec
Introduced 11/15/2012
(720) 409-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 11/22/2011
(720) 410-
Unknown
Comcast Phone Of Colorado
Introduced 06/27/2014
(720) 412-
Wireless
Denver
New Cingular Wireless PCS
Introduced 06/28/2010
(720) 413-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 08/27/2008
(720) 414-
Landline
Lyons
Level 3 Communications
Introduced 10/04/2011
(720) 415-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 06/12/2013
(720) 416-
Unknown
Metro PCS
Introduced 06/30/2014
(720) 418-
Landline
Denver
Mcimetro Access Transmission Services LLC
Introduced 03/12/2014
(720) 420-
Landline
Denver
Level 3 Communications
Introduced 05/26/2010
(720) 421-
Wireless
Denver
T-mobile Usa
Introduced 03/20/2009
(720) 422-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 09/26/2001
(720) 423-
Landline
Denver
Qwest Corporation
Introduced 04/22/2004
(720) 424-
Landline
Denver
Qwest Corporation
Introduced 04/22/2004
(720) 425-
Landline
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 01/15/2008
(720) 426-
Landline
Denver
Qwest Corporation
Introduced 04/20/2010
(720) 427-
Wireless
Aurora
T-mobile Usa
Introduced 02/04/2002
(720) 428-
Landline
Denver
Broadvox-clec
Introduced 12/12/2011
(720) 429-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 07/02/2008
(720) 430-
Landline
Denver
AT&T Local
Introduced 06/28/2012
(720) 431-
Wireless
Denver
New Cingular Wireless PCS
Introduced 09/22/2010
(720) 432-
Landline
Denver
Bandwidth.com Clec
Introduced 02/26/2010
(720) 433-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 02/12/2008
(720) 434-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/30/2001
(720) 435-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/30/2001
(720) 436-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 06/30/2001
(720) 437-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 02/08/2011
(720) 438-
Landline
Longmont
360networks (usa) Inc.
Introduced 09/26/2006
(720) 439-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 04/21/2010
(720) 440-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 05/12/2010
(720) 441-
Landline
Denver
Bandwidth.com Clec
Introduced 05/18/2011
(720) 442-
Landline
Longmont
Bandwidth.com Clec
Introduced 04/04/2011
(720) 443-
Landline
Denver
Bandwidth.com Clec
Introduced 10/07/2010
(720) 444-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 445-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 09/15/2010
(720) 446-
Landline
Denver
Xo Colorado
Introduced 02/23/2011
(720) 447-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 02/22/2008
(720) 448-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 04/09/2008
(720) 449-
Landline
Denver
Xo Colorado
Introduced 01/14/2000
(720) 450-
Landline
Denver
Mcimetro Access Transmission Services LLC
Introduced 01/08/2014
(720) 451-
Wireless
Denver
T-mobile Usa
Introduced
(720) 452-
Landline
Denver
Peerless Network Of Colorado
Introduced 12/28/2010
(720) 453-
Unknown
Teleport Communications America
Introduced 06/12/2014
(720) 454-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 08/11/2010
(720) 455-
Landline
Denver
Qwest Corporation
Introduced 07/02/2010
(720) 456-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 07/23/2013
(720) 457-
Landline
Denver
Level 3 Communications
Introduced 05/28/2008
(720) 458-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 09/27/2010
(720) 459-
Landline
Denver
Onvoy
Introduced 10/15/2010
(720) 460-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 11/13/2013
(720) 463-
Landline
Sedalia
Onvoy
Introduced 02/05/2013
(720) 464-
Landline
Denver
Bandwidth.com Clec
Introduced 04/21/2011
(720) 465-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 01/03/2012
(720) 466-
Wireless
Fort Lupton
New Cingular Wireless PCS
Introduced 06/28/2010
(720) 467-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 01/10/2014
(720) 468-
Landline
Denver
Level 3 Communications
Introduced 12/17/2001
(720) 469-
Landline
Denver
New Cingular Wireless PCS
Introduced 09/23/2011
(720) 470-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
(720) 471-
Unknown
Cellco Partnership DBA Verizon Wireless
Introduced 06/12/2014
(720) 472-
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
(720) 473-
Landline
Denver
Cbeyond Communications
Introduced 12/11/2007
(720) 474-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/31/2011
(720) 475-
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
(720) 476-
Unknown
New Cingular Wireless PCS
Introduced 05/19/2014
(720) 477-
Landline
Henderson
360networks (usa) Inc.
Introduced 08/09/2011
(720) 478-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 05/08/2013
(720) 479-
Landline
Denver
Teleport Communications America
Introduced 06/13/2000
(720) 480-
Wireless
Denver
New Cingular Wireless PCS
Introduced 08/20/2000
(720) 482-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 484-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 07/18/2011
(720) 485-
Unknown
Comcast Phone Of Colorado
Introduced 05/08/2014
(720) 488-
Landline
Denver
Qwest Corporation
Introduced 03/03/2001
(720) 489-
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
(720) 490-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 02/27/1999
(720) 491-
Wireless
Longmont
New Cingular Wireless PCS
Introduced 11/16/2011
(720) 493-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 494-
Landline
Longmont
Qwest Corporation
Introduced 06/13/2000
(720) 495-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 09/28/2001
(720) 496-
Landline
Denver
Level 3 Communications
Introduced 12/17/2001
(720) 497-
Landline
Golden
Qwest Corporation
Introduced 07/22/1999
(720) 498-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 09/10/2012
(720) 499-
Wireless
Aurora
T-mobile Usa
Introduced 08/09/2011
(720) 502-
Landline
Denver
Comcast Phone Of Colorado
Introduced 11/15/2012
(720) 504-
Landline
Denver
Bandwidth.com Clec
Introduced 05/24/2013
(720) 505-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 01/11/2011
(720) 506-
Landline
Denver
Level 3 Communications
Introduced 12/17/2001
(720) 508-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 06/26/2012
(720) 509-
Landline
Denver
Xo Colorado
Introduced 04/02/2010
(720) 514-
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
(720) 515-
Landline
Denver
Bandwidth.com Clec
Introduced 02/11/2010
(720) 518-
Unknown
Eschelon Telecom Of Colorado
Introduced 05/16/2014
(720) 519-
Landline
Denver
Teleport Communications America
Introduced 05/10/1999
(720) 521-
Wireless
Denver
American Messaging (am)
Introduced 07/22/1999
(720) 522-
Landline
Englewood
Xo Colorado
Introduced 11/19/2010
(720) 523-
Landline
Brighton
Qwest Corporation
Introduced 05/24/2010
(720) 524-
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
(720) 525-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 04/02/2013
(720) 526-
Unknown
New Cingular Wireless PCS
Introduced 06/12/2014
(720) 528-
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
(720) 529-
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
(720) 530-
Wireless
Denver
New Cingular Wireless PCS
Introduced 10/31/2000
(720) 532-
Landline
Aurora
Teleport Communications America
Introduced 02/27/1999
(720) 533-
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
(720) 535-
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
(720) 536-
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
(720) 538-
Wireless
Fort Lupton
Cellco Partnership DBA Verizon Wireless
Introduced 09/24/2012
(720) 539-
Wireless
Denver
New Cingular Wireless PCS
Introduced 07/08/2011
(720) 540-
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
(720) 541-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 09/28/2012
(720) 542-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 544-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 545-
Landline
Denver
Level 3 Communications
Introduced 06/12/2009
(720) 548-
Landline
Denver
Global Crossing Local Services-co
Introduced 05/10/1999
(720) 549-
Landline
Denver
Level 3 Communications
Introduced 07/22/1999
(720) 550-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 06/25/2013
(720) 551-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 04/01/2011
(720) 552-
Wireless
Longmont
Cellco Partnership DBA Verizon Wireless
Introduced 11/16/2012
(720) 553-
Landline
Aurora
Qwest Corporation
Introduced 06/22/2012
(720) 554-
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
(720) 556-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/2011
(720) 557-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 06/12/2013
(720) 558-
Landline
Denver
Qwest Corporation
Introduced 03/13/2002
(720) 559-
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
(720) 560-
Wireless
Denver
New Cingular Wireless PCS
Introduced 10/31/2000
(720) 561-
Landline
Denver
Qwest Corporation
Introduced 04/18/2008
(720) 562-
Landline
Denver
Qwest Corporation
Introduced 03/03/2001
(720) 563-
Landline
Denver
Qwest Corporation
Introduced 02/27/1999
(720) 564-
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
(720) 565-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 566-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 567-
Landline
Denver
Level 3 Communications
Introduced 07/22/1999
(720) 568-
Landline
Denver
Qwest Corporation
Introduced 02/27/2001
(720) 569-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/08/2008
(720) 570-
Landline
Denver
Qwest Corporation
Introduced 10/13/1999
(720) 577-
Unknown
Level 3 Communications
Introduced 07/03/2014
(720) 578-
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
(720) 579-
Landline
Denver
Xo Colorado
Introduced 01/14/2000
(720) 580-
Landline
Keenesburg
Bandwidth.com Clec
Introduced 03/15/2013
(720) 581-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 03/03/2001
(720) 583-
Landline
Denver
360networks (usa) Inc.
Introduced 09/30/2010
(720) 585-
Wireless
Denver
Commnet Wireless
Introduced 11/02/2012
(720) 587-
Landline
Denver
AT&T Local
Introduced 02/27/1999
(720) 588-
Wireless
Denver
365 Wireless
Introduced 10/17/2012
(720) 589-
Wireless
Aurora
T-mobile Usa
Introduced 04/30/2013
(720) 590-
Landline
Denver
360networks (usa) Inc.
Introduced 02/05/2013
(720) 593-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 04/02/2014
(720) 596-
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
(720) 599-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 02/13/2012
(720) 600-
Landline
Longmont
360networks (usa) Inc.
Introduced 12/20/2012
(720) 606-
Wireless
Fort Lupton
New Cingular Wireless PCS
Introduced 08/12/2011
(720) 608-
Landline
Idaho Springs
Bandwidth.com Clec
Introduced 07/19/2010
(720) 609-
Unknown
New Cingular Wireless PCS
Introduced 06/03/2014
(720) 612-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 07/22/2011
(720) 613-
Landline
Hudson
Mcimetro Access Transmission Services LLC
Introduced 03/01/2013
(720) 618-
Unknown
Cellco Partnership DBA Verizon Wireless
Introduced 07/10/2014
(720) 619-
Landline
Idaho Springs
Bandwidth.com Clec
Introduced 03/25/2014
(720) 620-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/27/2002
(720) 621-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/27/2002
(720) 622-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 623-
Landline
Denver
Neutral Tandem-colorado
Introduced 02/17/2012
(720) 624-
Landline
Denver
Teleport Communications America
Introduced 06/30/2001
(720) 625-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 09/20/2011
(720) 626-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 01/11/2011
(720) 627-
Landline
Denver
Qwest Corporation
Introduced 03/06/2012
(720) 628-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/04/2002
(720) 629-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/04/2002
(720) 630-
Wireless
Denver
New Cingular Wireless PCS
Introduced 10/23/2013
(720) 633-
Wireless
Denver
New Cingular Wireless PCS
Introduced 12/28/2010
(720) 634-
Landline
Brighton
Mcimetro Access Transmission Services LLC
Introduced 11/16/2012
(720) 635-
Wireless
Denver
New Cingular Wireless PCS
Introduced 02/27/1999
(720) 636-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 11/13/2013
(720) 638-
Landline
Denver
Comcast Phone Of Colorado
Introduced 01/17/2013
(720) 639-
Unknown
360networks (usa) Inc.
Introduced 05/14/2014
(720) 641-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/31/2000
(720) 644-
Landline
Denver
Mcleodusa Telecommunications Services- Co
Introduced 04/01/2011
(720) 645-
Wireless
Denver
T-mobile Usa
Introduced 03/05/2014
(720) 648-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 05/10/2011
(720) 652-
Landline
Longmont
Qwest Corporation
Introduced 03/03/2001
(720) 658-
Wireless
Denver
Telstar Communications Inc
Introduced 03/26/2010
(720) 660-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 04/08/2014
(720) 663-
Landline
Denver
Bandwidth.com Clec
Introduced 05/28/2008
(720) 666-
Landline
Denver
Peerless Network Of Colorado
Introduced 05/23/2012
(720) 670-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
(720) 675-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 05/12/2009
(720) 683-
Landline
Fort Lupton
Bandwidth.com Clec
Introduced 05/15/2013
(720) 684-
Landline
Longmont
Icg Telecom Group
Introduced 10/13/1999
(720) 685-
Landline
Brighton
Qwest Corporation
Introduced 06/13/2000
(720) 686-
Landline
Denver
Xo Colorado
Introduced 10/14/2010
(720) 689-
Landline
Denver
Bandwidth.com Clec
Introduced 04/04/2011
(720) 690-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 03/27/2002
(720) 708-
Landline
Denver
Teliax
Introduced 08/12/2011
(720) 722-
Landline
Denver
Centurylink Communications LLC
Introduced 05/21/2010
(720) 723-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 02/04/2013
(720) 724-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 04/02/2013
(720) 726-
Landline
Denver
Comcast Phone Of Colorado
Introduced 10/29/2013
(720) 729-
Landline
Keenesburg
Bandwidth.com Clec
Introduced 03/02/2012
(720) 732-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 733-
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
(720) 737-
Wireless
Denver
Cellco Partnership DBA Verizon Wireless
Introduced 12/13/2012
(720) 739-
Unknown
Bandwidth.com Clec
Introduced 04/29/2014
(720) 744-
Landline
Aurora
Qwest Corporation
Introduced 10/31/2000
(720) 746-
Landline
Golden
Qwest Corporation
Introduced 05/10/1999
(720) 747-
Landline
Aurora
Qwest Corporation
Introduced 01/14/2000
(720) 748-
Landline
Aurora
Qwest Corporation
Introduced 07/22/1999
(720) 754-
Landline
Denver
Tw Telecom Of Colorado LLC
Introduced 03/30/2010
(720) 763-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 11/05/2009
(720) 767-
Unknown
T-mobile Usa
Introduced 07/14/2014
(720) 771-
Wireless
Denver
T-mobile Usa
Introduced 08/20/2000
(720) 775-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 10/14/2009
(720) 777-
Landline
Aurora
Qwest Corporation
Introduced 02/09/2006
(720) 785-
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
(720) 789-
Landline
Aurora
Level 3 Communications
Introduced 08/05/2011
(720) 800-
Landline
Henderson
360networks (usa) Inc.
Introduced 11/08/2012
(720) 808-
Landline
Aurora
Bandwidth.com Clec
Introduced 10/20/2010
(720) 810-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 08/20/2000
(720) 822-
Unknown
Cellco Partnership DBA Verizon Wireless
Introduced 05/12/2014
(720) 833-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 834-
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
(720) 836-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 837-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 838-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 839-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 840-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 841-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 07/22/1999
(720) 842-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 847-
Landline
Aurora
Qwest Corporation
Introduced 11/05/2003
(720) 848-
Landline
Aurora
Qwest Corporation
Introduced 06/13/2000
(720) 849-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 07/22/1999
(720) 851-
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
(720) 852-
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
(720) 854-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 855-
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
(720) 857-
Landline
Aurora
Qwest Corporation
Introduced 08/20/2000
(720) 858-
Landline
Aurora
Qwest Corporation
Introduced 01/14/2000
(720) 859-
Landline
Aurora
Qwest Corporation
Introduced 05/10/1999
(720) 862-
Landline
Aurora
Xo Colorado
Introduced 06/13/2000
(720) 863-
Landline
Denver
Xo Colorado
Introduced 06/13/2000
(720) 864-
Landline
Longmont
Qwest Corporation
Introduced 06/13/2000
(720) 865-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 870-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 872-
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
(720) 873-
Landline
Denver
Qwest Corporation
Introduced 06/13/2000
(720) 874-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 875-
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
(720) 876-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 877-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 878-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 879-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 880-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 881-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 882-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 883-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 884-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 885-
Wireless
Denver
Leap Wireless Intl DBA Cricket Comm
Introduced 02/04/2010
(720) 886-
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
(720) 887-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 888-
Landline
Denver
Level 3 Communications
Introduced 07/22/1999
(720) 889-
Landline
Denver
Xo Colorado
Introduced 10/31/2000
(720) 890-
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
(720) 891-
Landline
Denver
Level 3 Communications
Introduced 12/17/2001
(720) 895-
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
(720) 897-
Landline
Denver
Global Crossing Local Services-co
Introduced 10/13/1999
(720) 898-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 903-
Landline
Denver
Global Crossing Local Services-co
Introduced 10/13/1999
(720) 904-
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
(720) 907-
Landline
Denver
Global Crossing Local Services-co
Introduced 10/13/1999
(720) 913-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 917-
Landline
Denver
Qwest Corporation
Introduced 07/22/1999
(720) 920-
Landline
Denver
Teleport Communications America
Introduced 02/27/1999
(720) 921-
Landline
Denver
Icg Telecom Group
Introduced 10/13/1999
(720) 922-
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
(720) 924-
Landline
Sedalia
Qwest Corporation
Introduced 10/31/2000
(720) 929-
Landline
Denver
Qwest Corporation
Introduced 10/13/1999
(720) 931-
Landline
Denver
Qwest Corporation
Introduced 10/13/1999
(720) 932-
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
(720) 933-
Wireless
Denver
T-mobile Usa
Introduced 06/13/2000
(720) 934-
Wireless
Denver
T-mobile Usa
Introduced 06/13/2000
(720) 935-
Wireless
Denver
T-mobile Usa
Introduced 10/13/1999
(720) 936-
Wireless
Denver
T-mobile Usa
Introduced 10/13/1999
(720) 937-
Wireless
Denver
T-mobile Usa
Introduced 10/13/1999
(720) 938-
Wireless
Denver
T-mobile Usa
Introduced 06/13/2000
(720) 939-
Wireless
Denver
T-mobile Usa
Introduced 06/13/2000
(720) 940-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 10/13/1999
(720) 941-
Landline
Denver
Qwest Corporation
Introduced 10/13/1999
(720) 942-
Landline
Denver
Qwest Corporation
Introduced 08/20/2000
(720) 943-
Landline
Denver
Global Crossing Local Services-co
Introduced 10/13/1999
(720) 944-
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
(720) 945-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 946-
Landline
Denver
Qwest Corporation
Introduced 10/31/2000
(720) 947-
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
(720) 949-
Landline
Aurora
AT&T Local
Introduced 02/27/1999
(720) 951-
Wireless
Aurora
Cellco Partnership DBA Verizon Wireless
Introduced 07/22/1999
(720) 956-
Landline
Denver
Qwest Corporation
Introduced 06/30/2001
(720) 961-
Landline
Denver
Level 3 Communications
Introduced 10/13/1999
(720) 962-
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
(720) 963-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 965-
Wireless
Denver
T-mobile Usa
Introduced 06/07/2013
(720) 971-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 972-
Landline
Denver
Qwest Corporation
Introduced 04/23/2002
(720) 974-
Landline
Denver
Eschelon Telecom Of Colorado
Introduced 10/31/2000
(720) 975-
Landline
Aurora
Eschelon Telecom Of Colorado
Introduced 10/31/2000
(720) 977-
Landline
Denver
Qwest Corporation
Introduced 01/14/2000
(720) 979-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 980-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 981-
Landline
Denver
Qwest Corporation
Introduced 05/10/1999
(720) 982-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 984-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 985-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 987-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 988-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 989-
Wireless
Denver
Sprint Spectrum L.p.
Introduced 05/10/1999
(720) 998-
Landline
Aurora
Comcast Phone Of Colorado
Introduced 12/01/2006
(720) 999-
Landline
Denver
Dishnet Wireline, L.l.c.
Introduced 07/22/2008

Heavily Reported Numbers

Phone complaint data powered by CallerCenter.com

Most Searched Numbers

Cell
All Time
720-201-0000
720-201-0006
720-201-0019
720-201-0026
720-201-0028
720-201-0037
720-201-0042
720-201-0047
720-201-0050
720-201-0075
720-201-0175
720-201-0229
720-201-0257
720-201-0310
720-201-0417
720-201-0461
720-201-0468
720-201-0516
720-201-0551
720-201-0566
This Month
720-201-0000
720-201-0006
720-201-0019
720-201-0026
720-201-0028
720-201-0037
720-201-0042
720-201-0047
720-201-0050
720-201-0075
720-201-0175
720-201-0229
720-201-0257
720-201-0310
720-201-0417
720-201-0461
720-201-0468
720-201-0516
720-201-0551
720-201-0566
Landline
All Time
720-200-0002
720-200-0066
720-200-0101
720-200-0124
720-200-0133
720-200-0135
720-200-0152
720-200-0160
720-200-0169
720-200-0183
720-200-0226
720-200-0326
720-200-0352
720-200-0362
720-200-0390
720-200-0422
720-200-0470
720-200-0512
720-200-0536
720-200-0540
This Month
720-200-0002
720-200-0066
720-200-0101
720-200-0124
720-200-0133
720-200-0135
720-200-0152
720-200-0160
720-200-0169
720-200-0183
720-200-0226
720-200-0326
720-200-0352
720-200-0362
720-200-0390
720-200-0422
720-200-0470
720-200-0512
720-200-0536
720-200-0540


Source: Area code information compiled from the North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau.