307 Area Code

State: Wyoming

  • Admission to Statehood:
    July 10, 1890 (44th State)
  • Area:
    • Area: 97,818 sq.mi (253,348 sq.km.), 10th
    • Land: 97,105 sq.mi. (251,501 sq.km.), 9th
    • Water: 714 sq.mi. (1,849 sq.km.), 26th
  • Constitution:
    Wyoming's Constitution , 44th State
  • Capital City:
    Cheyenne
  • Nickname:
    Equality State
  • Population (2013):
    582,658; Rank: 50 of 50 | Population Quick Facts

Area Code 307

Map:

Area Code Prefix Usage Primary City Carrier Introduced
307 (307) 200- Landline Jackson Level 3 Communications 08/16/2002
307 (307) 201- Landline Jackson Level 3 Communications 01/07/2003
307 (307) 202- Wireless Powell New Cingular Wireless PCS 01/21/2003
307 (307) 203- Wireless Jackson Sprint Spectrum L.p. 03/14/2001
307 (307) 206- Landline Lander Mcimetro Access Transmission Services LLC 12/05/2013
307 (307) 212- Landline Rock Springs Level 3 Communications 07/16/2002
307 (307) 213- Landline Cody Level 3 Communications 07/16/2002
307 (307) 214- Wireless Cheyenne Cellco Partnership DBA Verizon Wireless 01/06/2003
307 (307) 215- Landline Casper AT&T; Local 07/26/2001
307 (307) 216- Wireless Manville New Cingular Wireless PCS 10/09/2002
307 (307) 217- Wireless Buffalo New Cingular Wireless PCS 10/09/2002
307 (307) 220- Wireless Cheyenne T-mobile Usa 02/27/1999
307 (307) 221- Wireless Cheyenne Sprint Spectrum L.p. 06/13/2000
307 (307) 222- Landline Cheyenne Level 3 Communications 06/30/2001
307 (307) 223- Landline Laramie Level 3 Communications 06/30/2001
307 (307) 224- Landline Casper Level 3 Communications 06/30/2001
307 (307) 228- Unknown Bandwidth.com Clec 05/23/2014
307 (307) 230- Wireless Casper Versatel Communications 11/20/1998
307 (307) 231- Wireless Pinedale Cellco Partnership DBA Verizon Wireless 10/13/1999
307 (307) 232- Landline Casper Qwest Corporation 10/31/2000
307 (307) 233- Landline Casper Qwest Corporation 07/22/1999
307 (307) 234- Landline Casper Qwest Corporation 02/04/1994
307 (307) 235- Landline Casper Qwest Corporation 02/04/1994
307 (307) 237- Landline Casper Qwest Corporation 02/04/1994
307 (307) 240- Wireless Riverton Cellco Partnership DBA Verizon Wireless 06/30/2001
307 (307) 241- Wireless Wheatland New Cingular Wireless PCS 08/20/2000
307 (307) 242- Landline Yellowstone National Park Qwest Corporation 02/04/1994
307 (307) 245- Landline Pine Bluffs Rt Communications 02/04/1994
307 (307) 246- Landline Albin Rt Communications 02/04/1994
307 (307) 247- Wireless Casper New Cingular Wireless PCS 06/30/2001
307 (307) 248- Wireless Afton Cellco Partnership DBA Verizon Wireless 03/25/2003
307 (307) 250- Wireless Cody Cellco Partnership DBA Verizon Wireless 07/06/1997
307 (307) 251- Wireless Casper Cellco Partnership DBA Verizon Wireless 04/13/2006
307 (307) 252- Wireless Rock Springs Uintah Basin Electronic Telecommunications 06/30/2001
307 (307) 253- Landline Casper Qwest Corporation 03/10/2008
307 (307) 254- Wireless Powell Cellco Partnership DBA Verizon Wireless 09/11/2003
307 (307) 255- Wireless Evanston Uintah Basin Electronic Telecommunications 07/15/2002
307 (307) 256- Wireless Cheyenne Sprint Spectrum L.p. 01/05/2004
307 (307) 257- Landline Gillette Level 3 Communications 05/19/2004
307 (307) 258- Wireless Casper Cellco Partnership DBA Verizon Wireless 10/11/1997
307 (307) 259- Wireless Casper Cellco Partnership DBA Verizon Wireless 07/04/1995
307 (307) 260- Wireless Big Piney Union Telephone Company 02/04/1994
307 (307) 261- Landline Casper Qwest Corporation 02/04/1994
307 (307) 262- Wireless Casper Cellco Partnership DBA Verizon Wireless 02/04/1994
307 (307) 264- Wireless Jackson Bresnan Broadband Of Wyoming 02/16/2006
307 (307) 265- Landline Casper Qwest Corporation 02/04/1994
307 (307) 266- Landline Casper Qwest Corporation 02/04/1994
307 (307) 267- Wireless Casper New Cingular Wireless PCS 02/04/1994
307 (307) 268- Landline Casper Qwest Corporation 02/04/1994
307 (307) 269- Landline Wheatland Level 3 Communications 03/27/2005
Area Code: 307
Prefix: (307) 200-
Usage: Landline
Primary City: Jackson
Carrier: Level 3 Communications
Introduced: 08/16/2002
Area Code: 307
Prefix: (307) 201-
Usage: Landline
Primary City: Jackson
Carrier: Level 3 Communications
Introduced: 01/07/2003
Area Code: 307
Prefix: (307) 202-
Usage: Wireless
Primary City: Powell
Carrier: New Cingular Wireless PCS
Introduced: 01/21/2003
Area Code: 307
Prefix: (307) 203-
Usage: Wireless
Primary City: Jackson
Carrier: Sprint Spectrum L.p.
Introduced: 03/14/2001
Area Code: 307
Prefix: (307) 206-
Usage: Landline
Primary City: Lander
Carrier: Mcimetro Access Transmission Services LLC
Introduced: 12/05/2013
Area Code: 307
Prefix: (307) 212-
Usage: Landline
Primary City: Rock Springs
Carrier: Level 3 Communications
Introduced: 07/16/2002
Area Code: 307
Prefix: (307) 213-
Usage: Landline
Primary City: Cody
Carrier: Level 3 Communications
Introduced: 07/16/2002
Area Code: 307
Prefix: (307) 214-
Usage: Wireless
Primary City: Cheyenne
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 01/06/2003
Area Code: 307
Prefix: (307) 215-
Usage: Landline
Primary City: Casper
Carrier: AT&T; Local
Introduced: 07/26/2001
Area Code: 307
Prefix: (307) 216-
Usage: Wireless
Primary City: Manville
Carrier: New Cingular Wireless PCS
Introduced: 10/09/2002
Area Code: 307
Prefix: (307) 217-
Usage: Wireless
Primary City: Buffalo
Carrier: New Cingular Wireless PCS
Introduced: 10/09/2002
Area Code: 307
Prefix: (307) 220-
Usage: Wireless
Primary City: Cheyenne
Carrier: T-mobile Usa
Introduced: 02/27/1999
Area Code: 307
Prefix: (307) 221-
Usage: Wireless
Primary City: Cheyenne
Carrier: Sprint Spectrum L.p.
Introduced: 06/13/2000
Area Code: 307
Prefix: (307) 222-
Usage: Landline
Primary City: Cheyenne
Carrier: Level 3 Communications
Introduced: 06/30/2001
Area Code: 307
Prefix: (307) 223-
Usage: Landline
Primary City: Laramie
Carrier: Level 3 Communications
Introduced: 06/30/2001
Area Code: 307
Prefix: (307) 224-
Usage: Landline
Primary City: Casper
Carrier: Level 3 Communications
Introduced: 06/30/2001
Area Code: 307
Prefix: (307) 228-
Usage: Unknown
Primary City:
Carrier: Bandwidth.com Clec
Introduced: 05/23/2014
Area Code: 307
Prefix: (307) 230-
Usage: Wireless
Primary City: Casper
Carrier: Versatel Communications
Introduced: 11/20/1998
Area Code: 307
Prefix: (307) 231-
Usage: Wireless
Primary City: Pinedale
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/13/1999
Area Code: 307
Prefix: (307) 232-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 10/31/2000
Area Code: 307
Prefix: (307) 233-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 07/22/1999
Area Code: 307
Prefix: (307) 234-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 235-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 237-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 240-
Usage: Wireless
Primary City: Riverton
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 06/30/2001
Area Code: 307
Prefix: (307) 241-
Usage: Wireless
Primary City: Wheatland
Carrier: New Cingular Wireless PCS
Introduced: 08/20/2000
Area Code: 307
Prefix: (307) 242-
Usage: Landline
Primary City: Yellowstone National Park
Carrier: Qwest Corporation
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 245-
Usage: Landline
Primary City: Pine Bluffs
Carrier: Rt Communications
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 246-
Usage: Landline
Primary City: Albin
Carrier: Rt Communications
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 247-
Usage: Wireless
Primary City: Casper
Carrier: New Cingular Wireless PCS
Introduced: 06/30/2001
Area Code: 307
Prefix: (307) 248-
Usage: Wireless
Primary City: Afton
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 03/25/2003
Area Code: 307
Prefix: (307) 250-
Usage: Wireless
Primary City: Cody
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 07/06/1997
Area Code: 307
Prefix: (307) 251-
Usage: Wireless
Primary City: Casper
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 04/13/2006
Area Code: 307
Prefix: (307) 252-
Usage: Wireless
Primary City: Rock Springs
Carrier: Uintah Basin Electronic Telecommunications
Introduced: 06/30/2001
Area Code: 307
Prefix: (307) 253-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 03/10/2008
Area Code: 307
Prefix: (307) 254-
Usage: Wireless
Primary City: Powell
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 09/11/2003
Area Code: 307
Prefix: (307) 255-
Usage: Wireless
Primary City: Evanston
Carrier: Uintah Basin Electronic Telecommunications
Introduced: 07/15/2002
Area Code: 307
Prefix: (307) 256-
Usage: Wireless
Primary City: Cheyenne
Carrier: Sprint Spectrum L.p.
Introduced: 01/05/2004
Area Code: 307
Prefix: (307) 257-
Usage: Landline
Primary City: Gillette
Carrier: Level 3 Communications
Introduced: 05/19/2004
Area Code: 307
Prefix: (307) 258-
Usage: Wireless
Primary City: Casper
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 10/11/1997
Area Code: 307
Prefix: (307) 259-
Usage: Wireless
Primary City: Casper
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 07/04/1995
Area Code: 307
Prefix: (307) 260-
Usage: Wireless
Primary City: Big Piney
Carrier: Union Telephone Company
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 261-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 262-
Usage: Wireless
Primary City: Casper
Carrier: Cellco Partnership DBA Verizon Wireless
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 264-
Usage: Wireless
Primary City: Jackson
Carrier: Bresnan Broadband Of Wyoming
Introduced: 02/16/2006
Area Code: 307
Prefix: (307) 265-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 266-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 267-
Usage: Wireless
Primary City: Casper
Carrier: New Cingular Wireless PCS
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 268-
Usage: Landline
Primary City: Casper
Carrier: Qwest Corporation
Introduced: 02/04/1994
Area Code: 307
Prefix: (307) 269-
Usage: Landline
Primary City: Wheatland
Carrier: Level 3 Communications
Introduced: 03/27/2005