Area Code 307 - Casper, WY

Below is the information for Area Code 307
General Information for Area Code 307
Country United States
State/Province Wyoming
Major City Casper
Time Zone Mountain (UTC-07:00)

Phone directory of numbers beginning with Area Code 307 Prefixes

Prefix Primary City County Phone Type
307-280 Farson, WY Sweetwater Cell Number
307-281 Sundance, WY Crook Cell Number
307-282 Sundance, WY Crook Cell Number
307-283 Sundance, WY Crook Landline
307-286 Cheyenne, WY Laramie Cell Number
307-287 Cheyenne, WY Laramie Cell Number
307-288 Evanston, WY Uinta Landline
307-290 Sundance, WY Crook Cell Number
307-292 Cody, WY Park Landline
307-296 Cody, WY Park Cell Number
307-297 Green River, WY Sweetwater Cell Number
307-298 Douglas, WY Converse Landline
307-299 Gillette, WY Campbell Cell Number
307-309 Glenrock, WY Converse Cell Number
307-312 Beulah, WY Crook Landline
307-313 Evanston, WY Uinta Landline
307-314 Laramie, WY Albany Cell Number
307-315 Casper, WY Natrona Landline
307-316 Cheyenne, WY Laramie Landline
307-320 Rawlins, WY Carbon Cell Number
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Location Details

Area code is a type of numbering scheme used in telecommunication. It divides the territories of its member countries, the code is a three-digit code. The digits 0 and 1 applied for central office codes. Other digits were applied into geographic areas of the service territory.

  • 200: easily recognizable code (ERC)
  • 201: New Jersey
  • 202: Washington, D.C.
  • 203: Connecticut
  • and so on.

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