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Area Code 307 MapWhere is area code 307?Area code 307 covers the entire state of Wyoming. It is the only area code that serves the area.  What time zone is area code 307?The 307 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 2:04am. History307 is one of the original 86 area codes created by AT&T and the Bell System in 1947. It originally served the entire state of Wyoming. Nearby Area Codes208/986
(Idaho) 406 (Montana) Top 23 Counties in Area Code 307
Top 50 Cities in Area Code 307
Largest Telephone CarriersLandline
Wireless
PrefixesAssignedUsagePrefix Usage Primary City Carrier Introduced (307) 200- Jackson Level 3 Comms 08/16/2002 (307) 201- Jackson Level 3 Comms 01/07/2003 (307) 202- Powell Cingular Wireless 01/21/2003 (307) 203- Jackson Sprint 03/14/2001 (307) 206- Lander MCI Metro ATS 12/05/2013 (307) 212- Rock Springs Level 3 Comms 07/16/2002 (307) 213- Cody Level 3 Comms 07/16/2002 (307) 214- Cheyenne Verizon Wireless 01/06/2003 (307) 215- Casper AT&T Local 07/26/2001 (307) 216- Manville Cingular Wireless 10/09/2002 (307) 217- Buffalo Cingular Wireless 10/09/2002 (307) 220- Cheyenne T-mobile USA 02/27/1999 (307) 221- Cheyenne Sprint 06/13/2000 (307) 222- Cheyenne Level 3 Comms 06/30/2001 (307) 223- Laramie Level 3 Comms 06/30/2001 (307) 224- Casper Level 3 Comms 06/30/2001 (307) 228- Bandwidth.com 05/23/2014 (307) 230- Casper Versatel Comms 11/20/1998 (307) 231- Pinedale Verizon Wireless 10/13/1999 (307) 232- Casper Qwest Corp. 10/31/2000 (307) 233- Casper Qwest Corp. 07/22/1999 (307) 234- Casper Qwest Corp. 02/04/1994 (307) 235- Casper Qwest Corp. 02/04/1994 (307) 237- Casper Qwest Corp. 02/04/1994 (307) 240- Riverton Verizon Wireless 06/30/2001 (307) 241- Wheatland Cingular Wireless 08/20/2000 (307) 242- Yellowstone National Park Qwest Corp. 02/04/1994 (307) 245- Pine Bluffs Rt Comms 02/04/1994 (307) 246- Albin Rt Comms 02/04/1994
(307) 247- Casper Cingular Wireless 06/30/2001 (307) 248- Afton Verizon Wireless 03/25/2003 (307) 250- Cody Verizon Wireless 07/06/1997 (307) 251- Casper Verizon Wireless 04/13/2006 (307) 252- Rock Springs Uintah Basin Electronic Telecom 06/30/2001 (307) 253- Casper Qwest Corp. 03/10/2008
(307) 254- Powell Verizon Wireless 09/11/2003 (307) 255- Evanston Uintah Basin Electronic Telecom 07/15/2002 (307) 256- Cheyenne Sprint 01/05/2004 (307) 257- Gillette Level 3 Comms 05/19/2004 (307) 258- Casper Verizon Wireless 10/11/1997 (307) 259- Casper Verizon Wireless 07/04/1995 (307) 260- Big Piney Union TelephoneCo. 02/04/1994 (307) 261- Casper Qwest Corp. 02/04/1994 (307) 262- Casper Verizon Wireless 02/04/1994 (307) 264- Jackson Bresnan Broadband 02/16/2006 (307) 265- Casper Qwest Corp. 02/04/1994 (307) 266- Casper Qwest Corp. 02/04/1994 (307) 267- Casper Cingular Wireless 02/04/1994 (307) 268- Casper Qwest Corp. 02/04/1994 (307) 269- Wheatland Level 3 Comms 03/27/2005 (307) 270- Cokeville Union TelephoneCo. 02/04/1994 (307) 271- Powell Level 3 Comms 05/26/2004 (307) 272- Cody Verizon Wireless 02/04/1994 (307) 273- Farson Centurytel DBA Centurylink 02/04/1994 (307) 274- Cheyenne MCI Metro ATS 07/14/2004 (307) 275- Cheyenne Verizon Wireless 01/12/2005 (307) 276- Big Piney Centurytel DBA Centurylink 02/04/1994 (307) 277- Casper Verizon Wireless 08/21/2003 (307) 278- Buffalo Level 3 Comms 05/19/2004 (307) 279- Cokeville All West Comms 02/04/1994 (307) 280- Farson Union TelephoneCo. 02/04/1994 (307) 281- Sundance Verizon Wireless 09/11/1994 (307) 282- Sundance Verizon Wireless 10/11/1997 (307) 283- Sundance Range Telephone Cooperative 02/04/1994 (307) 286- Cheyenne Verizon Wireless 01/19/2004 (307) 287- Cheyenne Verizon Wireless 05/23/2006 (307) 288- Evanston Level 3 Comms 05/19/2004 (307) 290- Sundance Cingular Wireless 10/15/1996 (307) 292- Cody Mtpcs 04/20/2006 (307) 296- Cody Onvoy 08/17/2012 (307) 297- Green River Uintah Basin Electronic Telecom 06/30/2001 (307) 298- Douglas Level 3 Comms 05/19/2004 (307) 299- Gillette Cingular Wireless 10/21/2003 (307) 309- Glenrock Cingular Wireless 09/08/2006 (307) 312- Beulah Bandwidth.com 06/19/2012 (307) 313- Evanston Level 3 Comms 07/18/2007 (307) 314- Laramie Bandwidth.com 09/22/2008 (307) 315- Casper Bresnan Broadband 05/11/2007 (307) 316- Cheyenne Zayo Group 03/20/2006 (307) 320- Rawlins Union TelephoneCo. 02/04/1994 (307) 321- Rawlins Verizon Wireless 02/04/1994 (307) 322- Wheatland Qwest Corp. 02/04/1994 (307) 324- Rawlins Qwest Corp. 02/04/1994 (307) 325- Hanna Union Telco 02/04/1994 (307) 326- Encampment Union Telco 02/04/1994 (307) 327- Encampment Union Telco 02/04/1994 (307) 328- Rawlins Qwest Corp. 02/04/1994 (307) 329- Encampment Union TelephoneCo. 02/04/1994 (307) 330- Lander Union TelephoneCo. 02/04/1994 (307) 331- Wheatland Verizon Wireless 02/04/1994 (307) 332- Lander Qwest Corp. 02/04/1994 (307) 333- Casper Bresnan Broadband 10/13/2005 (307) 334- Manville Qwest Corp. 02/04/1994 (307) 335- Lander Qwest Corp. 04/01/1997 (307) 337- Casper Bresnan Broadband 01/07/2011 (307) 338- Torrington Verizon Wireless 01/12/2011 (307) 339- Hanna Union TelephoneCo. 02/04/1994 (307) 340- Manville Verizon Wireless 09/11/1994 (307) 341- Parkman Project Telco 01/10/1996 (307) 343- Laramie Verizon Wireless 07/16/2009 (307) 344- Yellowstone National Park Qwest Corp. 02/04/1994 (307) 345- Lander Union TelephoneCo. 11/20/1998 (307) 347- Worland Rt Comms 02/04/1994 (307) 348- Hanna Union Telco 02/04/1994 (307) 349- Lander Verizon Wireless 02/27/1999 (307) 350- Rock Springs Union TelephoneCo. 02/04/1994 (307) 351- Douglas Cingular Wireless 02/11/1995 (307) 352- Rock Springs Qwest Corp. 02/04/1994 (307) 353- Alta Columbine Telco DBA Silver Star Comms 01/10/1996 (307) 354- Rock Springs Union TelephoneCo. 03/27/2001 (307) 356- Medicine Bow Union Telco 02/04/1994 (307) 358- Douglas Qwest Corp. 02/04/1994 (307) 359- Douglas Verizon Wireless 02/04/1994 (307) 360- Pinedale Union TelephoneCo. 02/11/1995 (307) 362- Rock Springs Qwest Corp. 02/04/1994 (307) 363- Gillette Bandwidth.com 08/30/2010 (307) 364- Bandwidth.com 05/23/2014 (307) 365- Cheyenne Cingular Wireless 03/03/2008 (307) 366- Ten Sleep Tri - County Telephone Association 02/04/1994 (307) 367- Pinedale Centurytel DBA Centurylink 02/04/1994 (307) 369- Cheyenne Bresnan Broadband 01/10/2011 (307) 370- Rawlins Verizon Wireless 10/11/1997 (307) 371- Rock Springs Verizon Wireless 07/06/1997 (307) 373- Greybull Bresnan Broadband 06/10/2009 (307) 375- Worland Rt Comms 02/04/1994 (307) 377- Casper Union TelephoneCo. 11/20/1998 (307) 378- Rock River Union Telco 02/04/1994 (307) 379- Medicine Bow Centurytel DBA Centurylink 02/04/1994 (307) 380- Baggs Union TelephoneCo. 02/04/1994 (307) 382- Rock Springs Qwest Corp. 02/04/1994 (307) 383- Baggs Dubois Telephone Exchange 02/04/1994 (307) 386- La Barge Union Telco 02/04/1994 (307) 388- Worland Cingular Wireless 02/11/1995 (307) 389- Rock Springs Verizon Wireless 02/04/1994 (307) 390- La Barge Union TelephoneCo. 02/04/1994 (307) 391- Moorcroft Cingular Wireless 03/14/2005 (307) 392- Cokeville Level 3 Comms 06/21/2006 (307) 399- Laramie Verizon Wireless 05/16/2002 (307) 401- Torrington Cingular Wireless 08/20/2000 (307) 413- Jackson Cingular Wireless 01/29/2001 (307) 417- Rawlins Zayo Group 08/04/2006 (307) 421- Cheyenne Verizon Wireless 08/20/2000 (307) 422- Chugwater Chugwater Telco 02/04/1994 (307) 425- Buffalo Advanced Comms Technology 03/30/2011 (307) 426- Cheyenne Bresnan Broadband 05/22/2007 (307) 429- Sheridan Bandwidth.com 05/23/2013 (307) 431- Worland Verizon Wireless 05/10/1999 (307) 432- Cheyenne Qwest Corp. 01/25/1998 (307) 433- Cheyenne Qwest Corp. 10/31/2000 (307) 436- Glenrock Qwest Corp. 02/04/1994 (307) 437- Midwest Rt Comms 02/04/1994 (307) 438- Lander Verizon Wireless 06/19/2007 (307) 439- Casper Advanced Comms Technology 06/15/2006 (307) 440- Basin Bresnan Broadband 06/10/2009 (307) 441- Casper Big River TelephoneCo. 10/20/2009 (307) 444- Evanston All West 03/03/2001 (307) 448- Rock Springs Verizon Wireless 05/12/2011 (307) 450- Dubois Union TelephoneCo. 02/04/1994 (307) 455- Dubois Dubois Telephone Exchange 02/04/1994 (307) 457- Jeffrey City Rt Comms 02/04/1994 (307) 459- Cheyenne Level 3 Comms 06/11/2002 (307) 460- Laramie Level 3 Comms 06/11/2002 (307) 461- Sheridan Level 3 Comms 06/11/2002 (307) 462- Casper Level 3 Comms 06/11/2002 (307) 463- Riverton Level 3 Comms 06/11/2002 (307) 464- Gillette Qwest Corp. 02/04/1994 (307) 465- Osage Rt Comms 02/04/1994 (307) 466- Green River Verizon Wireless 03/27/2005 (307) 467- Alva Rt Comms 02/04/1994 (307) 468- Upton Rt Comms 02/04/1994 (307) 469- Hyattville Tri - County Telephone Association 02/04/1994 (307) 472- Casper Qwest Corp. 02/04/1994 (307) 473- Casper Qwest Corp. 02/04/1994 (307) 477- Cheyenne Union TelephoneCo. 11/20/1998 (307) 480- Thermopolis Cingular Wireless 06/15/2005 (307) 481- Van Tassell Zayo Group 03/14/2007 (307) 486- Crowheart Dubois Telephone Exchange 02/04/1994 (307) 497- Evanston All West 05/10/1999 (307) 509- Cheyenne Bandwidth.com 09/05/2008 (307) 514- Cheyenne Bresnan Broadband 06/25/2005 (307) 520- Medicine Bow Union TelephoneCo. 02/04/1994 (307) 527- Cody Qwest Corp. 02/04/1994 (307) 529- Cheyenne Ymax Comms Corp. 08/25/2009 (307) 532- Torrington UnitedTelcoWest - Wy DBA Centurylink West 02/04/1994 (307) 533- Sheridan Mtpcs 03/30/2006 (307) 534- Torrington UnitedTelcoWest - Wy DBA Centurylink West 04/15/1996 (307) 537- Pinedale Centurytel DBA Centurylink 02/04/1994 (307) 540- Jeffrey City Union TelephoneCo. 02/11/1995 (307) 541- Moran Union TelephoneCo. 02/11/1995 (307) 543- Moran Qwest Corp. 02/04/1994 (307) 544- Jeffrey City Rt Comms 02/04/1994 (307) 545- Yellowstone National Park Qwest Corp. 02/04/1994 (307) 547- Burns Rt Comms 02/04/1994 (307) 548- Lovell Tct West 02/04/1994 (307) 549- Yellowstone National Park Union TelephoneCo. 02/11/1995 (307) 554- Glenrock Zayo Group 03/27/2005 (307) 567- Gillette Union TelephoneCo. 11/20/1998 (307) 568- Basin Tct West 02/04/1994 (307) 575- Torrington Verizon Wireless 06/28/2002 (307) 576- Alta Columbine Telco DBA Silver Star Comms 01/10/1996 (307) 577- Casper Qwest Corp. 02/04/1994 (307) 578- Cody Qwest Corp. 02/04/1994 (307) 586- Cody Tri Tel 04/01/2005 (307) 587- Cody Qwest Corp. 02/04/1994 (307) 600- Cokeville All West Wireless 09/02/2005 (307) 620- Buffalo Verizon Wireless 01/25/1998 (307) 621- Buffalo Verizon Wireless 08/14/1998 (307) 622- Gillette Cingular Wireless 11/24/2010 (307) 624- Douglas Cingular Wireless 10/03/2001 (307) 629- Newcastle Cingular Wireless 12/21/2004 (307) 630- Cheyenne Verizon Wireless 02/04/1994 (307) 631- Cheyenne Verizon Wireless 07/04/1995 (307) 632- Cheyenne Qwest Corp. 02/04/1994 (307) 633- Cheyenne Qwest Corp. 02/04/1994 (307) 634- Cheyenne Qwest Corp. 02/04/1994 (307) 635- Cheyenne Qwest Corp. 02/04/1994 (307) 637- Cheyenne Qwest Corp. 02/04/1994 (307) 638- Cheyenne Qwest Corp. 02/04/1994 (307) 640- Cheyenne Cingular Wireless 02/04/1994 (307) 643- Beulah Qwest Corp. 01/10/1996 (307) 645- Powell Project Telco 02/04/1994 (307) 649- Carpenter Rt Comms 02/04/1994 (307) 650- Cheyenne Sprint 07/04/1995 (307) 654- Freedom Silver Star Telco 02/04/1994 (307) 655- Wolf Qwest Corp. 02/04/1994 (307) 656- Alpine Gold Star Comms 03/22/2007 (307) 660- Gillette Cingular Wireless 05/18/1998 (307) 663- Lance Creek Golden West Tel Coop DBA Golden West Telecomm 01/10/1996 (307) 664- Deaver Tct West 02/04/1994 (307) 670- Gillette Verizon Wireless 07/06/1997 (307) 672- Sheridan Qwest Corp. 02/04/1994 (307) 673- Sheridan Qwest Corp. 01/11/1997 (307) 674- Sheridan Qwest Corp. 02/04/1994 (307) 675- Sheridan Advanced Comms Technology 01/30/2003 (307) 677- Evanston Verizon Wireless 10/11/1997 (307) 679- Evanston Verizon Wireless 02/04/1994 (307) 680- Gillette Cingular Wireless 02/04/1994 (307) 681- Rozet Advanced Comms Technology 04/16/2010 (307) 682- Gillette Qwest Corp. 02/04/1994 (307) 683- Sheridan Qwest Corp. 02/04/1994 (307) 684- Buffalo Qwest Corp. 02/04/1994 (307) 685- Gillette Qwest Corp. 10/15/1996 (307) 686- Gillette Qwest Corp. 02/04/1994 (307) 687- Gillette Qwest Corp. 02/04/1994 (307) 688- Gillette Qwest Corp. 05/24/2004 (307) 689- Gillette Verizon Wireless 02/04/1994 (307) 690- Jackson Verizon Wireless 02/04/1994 (307) 696- Gillette Cingular Wireless 09/22/2008 (307) 699- Jackson Verizon Wireless 07/06/1997 (307) 701- Cheyenne Union TelephoneCo. 12/27/2002 (307) 702- Casper Union TelephoneCo. 12/27/2002 (307) 703- Laramie Union TelephoneCo. 12/27/2002 (307) 704- Gillette Union TelephoneCo. 12/27/2002 (307) 705- Rock Springs Union TelephoneCo. 06/16/2003 (307) 706- Sheridan Union TelephoneCo. 12/27/2002 (307) 707- Green River Union TelephoneCo. 06/26/2003 (307) 708- Evanston Union TelephoneCo. 06/16/2003 (307) 709- Riverton Union TelephoneCo. 06/16/2003 (307) 710- Rawlins Union TelephoneCo. 06/16/2003 (307) 712- Cody Union TelephoneCo. 12/27/2002 (307) 713- Jackson Union TelephoneCo. 06/16/2003 (307) 714- Lander Union TelephoneCo. 06/16/2003 (307) 715- Torrington Union TelephoneCo. 12/27/2002 (307) 716- Powell Union TelephoneCo. 12/27/2002 (307) 717- Douglas Union TelephoneCo. 12/27/2002 (307) 718- Worland Union TelephoneCo. 12/27/2002 (307) 719- Buffalo Union TelephoneCo. 12/27/2002 (307) 720- Wheatland Union TelephoneCo. 12/27/2002 (307) 721- Laramie Qwest Corp. 02/04/1994 (307) 722- Thermopolis Union TelephoneCo. 12/27/2002 (307) 723- Kemmerer Union TelephoneCo. 06/16/2003 (307) 724- Casper Union TelephoneCo. 06/16/2003 (307) 727- Kemmerer Union TelephoneCo. 02/04/1994 (307) 728- Shoshoni Union TelephoneCo. 02/04/1994 (307) 730- Jackson Union TelephoneCo. 02/04/1994 (307) 731- Lovell Union TelephoneCo. 12/27/2002 (307) 732- Jackson Qwest Corp. 08/14/1998 (307) 733- Jackson Qwest Corp. 02/04/1994 (307) 734- Jackson Qwest Corp. 02/04/1994 (307) 735- Glendo Qwest Corp. 02/04/1994 (307) 736- Arvada Range Telephone Cooperative 02/04/1994 (307) 737- Sheridan Range Telephone Cooperative 02/04/1994 (307) 738- Kaycee Rt Comms 02/04/1994 (307) 739- Jackson Qwest Corp. 02/04/1994 (307) 740- Jackson Union TelephoneCo. 02/04/1994 (307) 741- Glenrock Union TelephoneCo. 12/27/2002 (307) 742- Laramie Qwest Corp. 02/04/1994 (307) 744- Newcastle Union TelephoneCo. 12/27/2002 (307) 745- Laramie Qwest Corp. 02/04/1994 (307) 746- Newcastle Rt Comms 02/04/1994 (307) 747- Fort Bridger Union TelephoneCo. 06/16/2003 (307) 749- Pinedale Union TelephoneCo. 10/20/2003 (307) 750- Sheridan Range Telephone Cooperative 01/10/1996 (307) 751- Sheridan Cingular Wireless 02/04/1994 (307) 752- Sheridan Verizon Wireless 02/04/1994 (307) 754- Powell Qwest Corp. 02/04/1994 (307) 755- Laramie Qwest Corp. 02/04/1994 (307) 756- Moorcroft Rt Comms 02/04/1994 (307) 757- Cheyenne AT&T Local 07/22/1999 (307) 758- Clearmont Range Telephone Cooperative 02/04/1994 (307) 759- Van Tassell Union TelephoneCo. 10/20/2003 (307) 760- Laramie Verizon Wireless 02/04/1994 (307) 761- Laramie Cingular Wireless 02/04/1994 (307) 762- Burlington Tri - County Telephone Association 02/04/1994 (307) 763- Sheridan Verizon Wireless 10/11/1997 (307) 764- Powell Tri Tel 04/01/2005 (307) 765- Greybull Tct West 02/04/1994 (307) 766- Laramie Qwest Corp. 02/04/1994 (307) 771- Cheyenne Qwest Corp. 02/04/1994 (307) 772- Cheyenne Qwest Corp. 02/04/1994 (307) 773- Cheyenne Qwest Corp. 07/06/1997 (307) 774- Jackson Gold Star Comms 06/22/2005 (307) 775- Cheyenne Qwest Corp. 02/04/1994 (307) 777- Cheyenne Qwest Corp. 02/04/1994 (307) 778- Cheyenne Qwest Corp. 02/04/1994
(307) 779- Wheatland Union TelephoneCo. 10/20/2003 (307) 780- Fort Bridger Union TelephoneCo. 02/04/1994 (307) 782- Fort Bridger Union Telco 02/04/1994 (307) 783- Evanston Qwest Corp. 02/04/1994 (307) 786- Urie Union Telco 02/04/1994 (307) 787- Lyman Union Telco 02/04/1994 (307) 788- Torrington UnitedTelcoWest - Wy DBA Centurylink West 01/10/1996 (307) 789- Evanston Qwest Corp. 02/04/1994 (307) 790- Sundance Union TelephoneCo. 12/18/2003 (307) 797- Casper Cingular Wireless 10/03/2001 (307) 798- Rock River Union TelephoneCo. 11/06/2007 (307) 799- Evanston Union TelephoneCo. 02/04/1994 (307) 800- Kemmerer Zayo Group 11/19/2012 (307) 823- Cheyenne Teleport Comms America 08/01/2012 (307) 828- Kemmerer Qwest Corp. 02/04/1994 (307) 834- Meriden UnitedTelcoWest - Wy DBA Centurylink West 02/04/1994 (307) 836- Guernsey UnitedTelcoWest - Wy DBA Centurylink West 02/04/1994 (307) 837- Torrington UnitedTelcoWest - Wy DBA Centurylink West 02/04/1994 (307) 840- Riverton Verizon Wireless 07/06/1997 (307) 849- Cokeville Qwest Corp. 01/10/1996 (307) 850- Riverton Union TelephoneCo. 02/04/1994 (307) 851- Riverton Verizon Wireless 01/10/1996 (307) 854- Riverton Advanced Comms Technology 12/10/2007 (307) 855- Riverton Qwest Corp. 10/15/1996 (307) 856- Riverton Qwest Corp. 02/04/1994 (307) 857- Riverton Qwest Corp. 02/04/1994 (307) 858- Riverton Union TelephoneCo. 11/20/1998 (307) 859- Pinedale Centurytel DBA Centurylink 02/04/1994 (307) 864- Thermopolis Rt Comms 02/04/1994 (307) 867- Thermopolis Tri - County Telephone Association 02/04/1994 (307) 868- Meeteetse Tct West 02/04/1994 (307) 870- Green River Union TelephoneCo. 02/04/1994 (307) 871- Green River Verizon Wireless 02/27/1999 (307) 872- Green River Qwest Corp. 02/04/1994 (307) 874- Lonetree Union Telco 02/04/1994 (307) 875- Green River Qwest Corp. 02/04/1994 (307) 876- Shoshoni Rt Comms 02/04/1994 (307) 877- Kemmerer Qwest Corp. 02/04/1994 (307) 878- Hulett Range Telephone Cooperative 01/10/1996 (307) 880- Freedom Gold Star Comms 06/22/2005 (307) 883- Freedom Silver Star Telco 02/04/1994 (307) 884- Afton Union TelephoneCo. 02/04/1994 (307) 885- Afton Silver Star Telco 11/20/1998 (307) 886- Afton Qwest Corp. 02/04/1994 (307) 887- Afton Gold Star Comms 06/22/2005 (307) 890- Freedom Union TelephoneCo. 02/04/1994 (307) 896- Aladdin Qwest Corp. 01/10/1996 (307) 899- Cody Cingular Wireless 02/04/1994 (307) 920- Cheyenne T-mobile USA 07/06/1997 (307) 921- Thermopolis Verizon Wireless 07/22/1999 (307) 922- Rock Springs AT&T Local 07/22/1999 (307) 939- Gillette Qwest Corp. 02/04/1994 (307) 941- Newcastle Verizon Wireless 07/04/1995 (307) 949- Newcastle Verizon Wireless 10/11/1997 (307) 977- Laramie Union TelephoneCo. 11/20/1998 (307) 995- Casper Qwest Corp. 02/04/1994 (307) 996- Cheyenne Qwest Corp. 07/04/1995 Heavily Reported NumbersPhone complaint data powered by CallerCenter.com Sources: North American Numbering Plan Administration (NANPA), telecom providers, and the U.S. Census Bureau. Where is area code 307 located in the US?North American Area code 307 is the area code that serves the entire U.S. state of Wyoming. It is one of the original area codes created in 1947. Because it is sparsely populated, Wyoming is one of only 11 states (as of April 8, 2020) to only have one area code.
What's the area code for Wyoming?Area code 307Wyoming / Area codenull
What do Wyoming phone numbers start with?The North American Numbering Plan in 1947 gave the entire state of Wyoming area code 307.
What is the area code for Cheyenne Wyoming?Area code 307Cheyenne / Area codenull
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Where is the 307 area code
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