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Wyoming Area Codes


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The state of Wyoming is the Western state of United States. The majority of the areas of the state are covered by the mountain ranges and rangelands of the Rocky Mountain West. The easternmost part of the state contains part of a high elevation prairie region recognized as the High Plains. At the same time, this is the tenth largest state by size. This is the least populous state while capital and the densely inhabited city of Wyoming is Cheyenne.
There is only one Wyoming area code and that is area code 307. This is the original area code created in 1947 under NANP (North American Numbering Plan). It was allocated to the entire State of Wyoming. The particular code is still serving the state as sole area code. The code is providing telephone services in the counties of Albany, Big Horn, Butte, Campbell, Carbon, Carter, Converse, Crook, Fall River, Fremont, Goshen, Hot Springs, Johnson, Laramie, Lincoln, Natrona, Niobrara, Park, Platte, Sheridan, Sublette, Sweetwater, Teton, Uinta, Washakie and Weston.
Major companies providing telephone services in Wyoming are:

  • ALLTEL COMMUNICATIONS OF THE SOUTHWEST, LP - AZ
  • AMERICAN MESSAGING (AM), INC.
  • BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL
  • BROADWING COMMUNICATINS. LLC - CA
  • CELLCO PARTNERSHIP DBA VERIZON WIRELESS - AL
  • CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA
  • COOK TELECOM, INC.
  • DELTACOM, INC. - AL
  • NEW CINGULAR WIRELESS PCS, LLC
  • NEXTEL COMMUNICATIONS, INC.
  • PAC - WEST TELECOMM, INC.
  • PACIFIC BELL
  • QWEST CORPORATION
  • SOUTHWESTERN BELL
  • SPRINT SPECTRUM L.P.
  • SPRINT SPECTRUM L.P.- CA
  • T-MOBILE USA, INC.
  • USA MOBILITY WIRELESS, INC.

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