Area code 307 covers the entire state of Wyoming. Due to its low population, Wyoming remains one of the few states to only have one area code.
- 307-212
- Landline Number
- Rock Springs, WY
- 307-245
- Landline Number
- Pine Bluffs, WY
- 307-269
- Landline Number
- Wheatland, WY
- 307-276
- Landline Number
- Big Piney, WY
- 307-279
- Landline Number
- Cokeville, WY
- 307-322
- Landline Number
- Wheatland, WY
- 307-326
- Landline Number
- Encampment, WY
- 307-327
- Landline Number
- Encampment, WY
- 307-352
- Landline Number
- Rock Springs, WY
- 307-362
- Landline Number
- Rock Springs, WY
- 307-366
- Landline Number
- Ten Sleep, WY
- 307-378
- Landline Number
- Rock River, WY
- 307-379
- Landline Number
- Medicine Bow, WY
- 307-382
- Landline Number
- Rock Springs, WY
- 307-422
- Landline Number
- Chugwater, WY
- 307-466
- Landline Number
- Green River, WY
- 307-469
- Landline Number
- Hyattville, WY
- 307-481
- Landline Number
- Van Tassell, WY
- 307-486
- Landline Number
- Crowheart, WY
- 307-532
- Landline Number
- Torrington, WY
- 307-534
- Landline Number
- Torrington, WY
- 307-544
- Landline Number
- Jeffrey City, WY
- 307-649
- Landline Number
- Carpenter, WY
- 307-746
- Landline Number
- Newcastle, WY
- 307-756
- Landline Number
- Moorcroft, WY
- 307-758
- Landline Number
- Clearmont, WY
- 307-762
- Landline Number
- Burlington, WY
- 307-782
- Landline Number
- Fort Bridger, WY
- 307-837
- Landline Number
- Torrington, WY
- 307-864
- Landline Number
- Thermopolis, WY
- 307-868
- Landline Number
- Meeteetse, WY
- 307-872
- Landline Number
- Green River, WY
- 307-875
- Landline Number
- Green River, WY
- 307-922
- Landline Number
- Rock Springs, WY
