Area Code 307

General Information
Country United States
State/Province Wyoming
Major City Cheyenne
Time Zone Mountain (UTC-07:00)
Current Local Time 13:45

Area Code Prefixes

Prefix County Primary City
307-432 Laramie Cheyenne
307-433 Laramie Cheyenne
307-436 Converse Glenrock
307-437 Natrona Midwest
307-438 Fremont Lander
307-439 Natrona Casper
307-440 Big Horn Basin
307-441 Natrona Casper
307-444 Uinta Evanston
307-448 Sweetwater Rock Springs
307-450 Fremont Dubois
307-455 Fremont Dubois
307-457 Fremont Jeffrey City
307-459 Laramie Cheyenne
307-460 Albany Laramie
307-461 Sheridan Sheridan
307-462 Carbon Shirley Basin
307-463 Fremont Riverton
307-464 Campbell Gillette
307-465 Weston Osage
307-466 Sweetwater Green River
307-467 Crook Devils Tower
307-468 Weston Osage
307-469 Big Horn Hyattville
307-472 Natrona Casper
307-473 Natrona Casper
307-477 Laramie Cheyenne
307-480 Hot Springs Thermopolis
307-481 Niobrara Lusk
307-486 Fremont Crowheart
307-497 Uinta Evanston
307-509 Laramie Cheyenne
307-514 Laramie Cheyenne
307-520 Carbon Medicine Bow
307-527 Park Cody
307-529 Laramie Cheyenne
307-532 Goshen Torrington
307-533 Sheridan Sheridan
307-534 Goshen Torrington
307-537 Sublette Pinedale
307-540 Fremont Jeffrey City
307-541 Teton Moran
307-543 Teton Moran
307-544 Fremont Jeffrey City
307-545 Park Yellowstone National Park
307-547 Laramie Burns
307-548 Big Horn Lovell
307-549 Park Yellowstone National Park
307-554 Converse Glenrock
307-567 Campbell Gillette
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