307 area code is a telephone area code in the North American Numbering Plan (NANP) for the entire state of Wyoming, United States. The area code was one of the original area codes created in 1947.
| Area Code | 307 |
|---|---|
| Major City | Cheyenne |
| Service Date | 01/01/1947 |
| Time Zone | Mountain |
| Overlay Complex | - |
| Location | Wyoming (WY) |
| Country | United States |
Some of the cities served by area code 307 include Cheyenne, Casper, Laramie, Gillette, Rock Springs, Sheridan, Green River, Evanston, Riverton and more.
| Area code | City/Town | County |
|---|---|---|
| 307 | Afton | Lincoln |
| 307 | Aladdin | Crook |
| 307 | Albin | Laramie |
| 307 | Alcova | Natrona |
| 307 | Alpine | Lincoln |
| 307 | Alva | Crook |
| 307 | Arapahoe | Fremont |
| 307 | Arminto | Natrona |
| 307 | Arvada | Sheridan |
| 307 | Auburn | Lincoln |
| 307 | Baggs | Carbon |
| 307 | Bairoil | Sweetwater |
| 307 | Banner | Sheridan |
| 307 | Basin | Big Horn |
| 307 | Bedford | Lincoln |
| 307 | Beulah | Crook |
| 307 | Big Horn | Sheridan |
| 307 | Big Piney | Sublette |
| 307 | Bondurant | Sublette |
| 307 | Bosler | Albany |
| 307 | Boulder | Sublette |
| 307 | Buffalo | Johnson |
| 307 | Buford | Albany |
| 307 | Burlington | Big Horn |
| 307 | Burns | Laramie |
| 307 | Byron | Big Horn |
| 307 | Carpenter | Laramie |
| 307 | Casper | Natrona |
| 307 | Centennial | Albany |
| 307 | Cheyenne | Laramie |
| 307 | Chugwater | Platte |
| 307 | Clearmont | Sheridan |
| 307 | Cody | Park |
| 307 | Cokeville | Lincoln |
| 307 | Cora | Sublette |
| 307 | Cowley | Big Horn |
| 307 | Crowheart | Fremont |
| 307 | Daniel | Sublette |
| 307 | Dayton | Sheridan |
| 307 | Deaver | Big Horn |
| 307 | Devils Tower | Crook |
| 307 | Diamondville | Lincoln |
| 307 | Dixon | Carbon |
| 307 | Douglas | Converse |
| 307 | Dubois | Fremont |
| 307 | Edgerton | Natrona |
| 307 | Elk Mountain | Carbon |
| 307 | Emblem | Big Horn |
| 307 | Encampment | Carbon |
| 307 | Etna | Lincoln |
| 307 | Evanston | Uinta |
| 307 | Evansville | Natrona |
| 307 | Fairview | Lincoln |
| 307 | Farson | Sweetwater |
| 307 | Fe Warren Afb | Laramie |
| 307 | Fort Bridger | Uinta |
| 307 | Fort Laramie | Goshen |
| 307 | Fort Washakie | Fremont |
| 307 | Four Corners | Weston |
| 307 | Frannie | Park |
| 307 | Freedom | Lincoln |
| 307 | Frontier | Lincoln |
| 307 | Garrett | Albany |
| 307 | Gillette | Campbell |
| 307 | Glendo | Platte |
| 307 | Glenrock | Converse |
| 307 | Granger | Sweetwater |
| 307 | Granite Canon | Laramie |
| 307 | Green River | Sweetwater |
| 307 | Greybull | Big Horn |
| 307 | Grover | Lincoln |
| 307 | Guernsey | Platte |
| 307 | Hanna | Carbon |
| 307 | Hartville | Platte |
| 307 | Hawk Springs | Goshen |
| 307 | Hiland | Natrona |
| 307 | Hillsdale | Laramie |
| 307 | Horse Creek | Laramie |
| 307 | Hudson | Fremont |
| 307 | Hulett | Crook |
| 307 | Huntley | Goshen |
| 307 | Hyattville | Big Horn |
| 307 | Jackson | Teton |
| 307 | Jay Em | Goshen |
| 307 | Jeffrey City | Fremont |
| 307 | Jelm | Albany |
| 307 | Kaycee | Johnson |
| 307 | Kelly | Teton |
| 307 | Kemmerer | Lincoln |
| 307 | Kinnear | Fremont |
| 307 | Kirby | Hot Springs |
| 307 | La Barge | Lincoln |
| 307 | Lagrange | Goshen |
| 307 | Lance Creek | Niobrara |
| 307 | Lander | Fremont |
| 307 | Laramie | Albany |
| 307 | Leiter | Sheridan |
| 307 | Linch | Johnson |
| 307 | Lingle | Goshen |
| 307 | Little America | Sweetwater |
| 307 | Lonetree | Uinta |
| 307 | Lost Springs | Converse |
| 307 | Lovell | Big Horn |
| 307 | Lusk | Niobrara |
| 307 | Lyman | Uinta |
| 307 | Lysite | Fremont |
| 307 | Manderson | Big Horn |
| 307 | Manville | Niobrara |
| 307 | Mc Kinnon | Sweetwater |
| 307 | Medicine Bow | Carbon |
| 307 | Meeteetse | Park |
| 307 | Meriden | Laramie |
| 307 | Midwest | Natrona |
| 307 | Mills | Natrona |
| 307 | Moorcroft | Crook |
| 307 | Moose | Teton |
| 307 | Moran | Teton |
| 307 | Mountain View | Uinta |
| 307 | Natrona | Natrona |
| 307 | Newcastle | Weston |
| 307 | Opal | Lincoln |
| 307 | Osage | Weston |
| 307 | Otto | Big Horn |
| 307 | Parkman | Sheridan |
| 307 | Pavillion | Fremont |
| 307 | Pine Bluffs | Laramie |
| 307 | Pinedale | Sublette |
| 307 | Point Of Rocks | Sweetwater |
| 307 | Powder River | Natrona |
| 307 | Powell | Park |
| 307 | Ralston | Park |
| 307 | Ranchester | Sheridan |
| 307 | Rawlins | Carbon |
| 307 | Recluse | Campbell |
| 307 | Reliance | Sweetwater |
| 307 | Riverton | Fremont |
| 307 | Robertson | Uinta |
| 307 | Rock River | Albany |
| 307 | Rock Springs | Sweetwater |
| 307 | Rozet | Campbell |
| 307 | Saddlestring | Johnson |
| 307 | Saratoga | Carbon |
| 307 | Savery | Carbon |
| 307 | Shawnee | Converse |
| 307 | Shell | Big Horn |
| 307 | Sheridan | Sheridan |
| 307 | Shirley Basin | Carbon |
| 307 | Shoshoni | Fremont |
| 307 | Sinclair | Carbon |
| 307 | Smoot | Lincoln |
| 307 | St Stephens | Fremont |
| 307 | Story | Sheridan |
| 307 | Sundance | Crook |
| 307 | Superior | Sweetwater |
| 307 | Ten Sleep | Washakie |
| 307 | Teton Village | Teton |
| 307 | Thayne | Lincoln |
| 307 | Thermopolis | Hot Springs |
| 307 | Tie Siding | Albany |
| 307 | Torrington | Goshen |
| 307 | Upton | Weston |
| 307 | Van Tassell | Niobrara |
| 307 | Veteran | Goshen |
| 307 | Walcott | Carbon |
| 307 | Wamsutter | Sweetwater |
| 307 | Wapiti | Park |
| 307 | Weston | Campbell |
| 307 | Wheatland | Platte |
| 307 | Wilson | Teton |
| 307 | Wolf | Sheridan |
| 307 | Worland | Washakie |
| 307 | Wright | Campbell |
| 307 | Wyarno | Sheridan |
| 307 | Yellowstone National Park | Park |
| 307 | Yoder | Goshen |