Area Code 307
Wyoming area code 307 has been in service since 1947. It has 219 landlines and 117 wireless prefixes (exchanges) serviced by 42 carriers. It covers 25 counties, 307 ZIP codes, and 115 cities, including Cheyenne, Casper, Gillette, Sheridan, Laramie, Rock Springs, Riverton, Cody, and Lander.
- State:
- Wyoming
- Time Zone:
- Mountain (11:54 pm)
Area Code (307) has 336 prefixes
| Prefix | County | City | Company/Carrier | Line Type |
|---|---|---|---|---|
| (307) 200- | Minidoka | Acequia | Level 3 Communications, Llc... | Landline |
| (307) 202- | Park | Clark | Western Wireless Corporatio... | Cell Phone |
| (307) 203- | Teton | Hoback Junction | Sprint Spectrum L.p. - Wy | Cell Phone |
| (307) 212- | Laramie | Cheyenne | Level 3 Communications, Llc... | Landline |
| (307) 213- | Park | Cody | Level 3 Communications, Llc... | Landline |
| (307) 214- | Laramie | Cheyenne | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 217- | Johnson | Buffalo | Western Wireless Corporatio... | Cell Phone |
| (307) 220- | Laramie | Cheyenne | T-mobile Usa, Inc. | Cell Phone |
| (307) 221- | Laramie | Cheyenne | Sprint Spectrum L.p. | Cell Phone |
| (307) 222- | Laramie | Cheyenne | Level 3 Communications, Llc... | Landline |
| (307) 223- | Albany | Bosler | Level 3 Communications, Llc... | Landline |
| (307) 224- | Natrona | Bar Nunn | Level 3 Communications, Llc... | Landline |
| (307) 226- | Albany | Bosler | Inttec, Inc. - Wy | Landline |
| (307) 229- | Laramie | Cheyenne | Inttec, Inc. - Wy | Landline |
| (307) 231- | Sublette | Pinedale | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 232- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 233- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 234- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 235- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 237- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 238- | Laramie | Hillsdale | Contact Communications, Wy | Landline |
| (307) 240- | Fremont | Gas Hills | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 242- | Park | Mammoth Hot Springs | Qwest Corporation | Landline |
| (307) 243- | Teton | Wilson | Contact Communications, Wy | Landline |
| (307) 245- | Laramie | Pine Bluffs | Rt Communications | Landline |
| (307) 246- | Laramie | Albin | Rt Communications | Landline |
| (307) 247- | Natrona | Bar Nunn | Western Wireless Corporatio... | Cell Phone |
| (307) 248- | Yellowstone | Billings | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 250- | Park | Cody | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 251- | Natrona | Bar Nunn | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 252- | Park | Cody | Uintah Basin Electronic Tel... | Landline |
| (307) 253- | Teton | Hoback Junction | Unknown | Landline |
| (307) 254- | Park | Clark | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 255- | Uinta | Bear River | Uintah Basin Electronic Tel... | Landline |
| (307) 256- | Laramie | Cheyenne | Sprint Spectrum L.p. | Cell Phone |
| (307) 257- | Campbell | Gillette | Level 3 Communications, Llc... | Landline |
| (307) 258- | Natrona | Bar Nunn | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 259- | Natrona | Bar Nunn | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 261- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 262- | Natrona | Bar Nunn | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 264- | Natrona | Bar Nunn | Nextel Communications, Inc. | Cell Phone |
| (307) 265- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 266- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 267- | Natrona | Bar Nunn | Western Wireless Corporatio... | Cell Phone |
| (307) 268- | Natrona | Bar Nunn | Qwest Corporation | Landline |
| (307) 269- | Natrona | Alcova | Commpartners, Llc - Wy | Landline |
| (307) 270- | Marion | Indianapolis | Union Telephone Company Dba... | Cell Phone |
| (307) 271- | Park | Clark | Level 3 Communications, Llc... | Landline |
| (307) 272- | Park | Cody | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 273- | Sweetwater | Eden | Centurytel Of Wyoming, Inc. | Cell Phone |
| (307) 275- | Laramie | Cheyenne | Commpartners, Llc - Wy | Landline |
| (307) 276- | Sublette | Big Piney | Centurytel Of Wyoming, Inc. | Cell Phone |
| (307) 277- | Natrona | Bar Nunn | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 278- | Johnson | Buffalo | Level 3 Communications, Llc... | Landline |
| (307) 279- | Lincoln | Cokeville | All West Communications, In... | Landline |
| (307) 281- | Crook | Sundance | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 282- | Laramie | Cheyenne | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 283- | Crook | Sundance | Range Telephone Cooperative... | Landline |
| (307) 285- | Campbell | Gillette | Contact Communications, Wy | Landline |
| (307) 286- | Laramie | Cheyenne | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 287- | Laramie | Cheyenne | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 288- | Uinta | Bear River | Level 3 Communications, Llc... | Landline |
| (307) 290- | Crook | Sundance | Western Wireless Corporatio... | Cell Phone |
| (307) 298- | Big Horn | Cowley | Level 3 Communications, Llc... | Landline |
| (307) 299- | Campbell | Gillette | Western Wireless Corporatio... | Cell Phone |
| (307) 313- | Uinta | Bear River | Unknown | Landline |
| (307) 315- | Natrona | Bar Nunn | Unknown | Landline |
| (307) 316- | Laramie | Archer | 360networks (usa) Inc. - Wy | Landline |
| (307) 320- | Carbon | Creston | Union Telephone Company Dba... | Cell Phone |
| (307) 321- | Carbon | Creston | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 322- | Platte | Bordeaux | Qwest Corporation | Landline |
| (307) 324- | Carbon | Creston | Qwest Corporation | Landline |
| (307) 325- | Carbon | Elmo | Union Telephone Co. - Wy | Cell Phone |
| (307) 326- | Carbon | Ryan Park | Union Telephone Co. - Wy | Cell Phone |
| (307) 327- | Carbon | Encampment | Union Telephone Co. - Wy | Cell Phone |
| (307) 328- | Carbon | Creston | Qwest Corporation | Landline |
| (307) 329- | Carbon | Ryan Park | Union Telephone Company Dba... | Cell Phone |
| (307) 330- | Fremont | Atlantic City | Union Telephone Company Dba... | Cell Phone |
| (307) 331- | Platte | Bordeaux | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 332- | Fremont | Atlantic City | Qwest Corporation | Landline |
| (307) 333- | Natrona | Bar Nunn | Idt America Corp. - Wy | Landline |
| (307) 334- | Niobrara | Kirtley | Qwest Corporation | Landline |
| (307) 335- | Fremont | Atlantic City | Qwest Corporation | Landline |
| (307) 339- | Carbon | Medicine Bow | Union Telephone Company Dba... | Cell Phone |
| (307) 340- | Goshen | Veteran | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 341- | Park | Cody | Project Telephone Co., Inc. | Landline |
| (307) 342- | Pennington | Jolly Acres | Unknown | Landline |
| (307) 343- | Campbell | Gillette | Unknown | Landline |
| (307) 344- | Park | Mammoth Hot Springs | Qwest Corporation | Landline |
| (307) 347- | Washakie | Worland | Rt Communications | Landline |
| (307) 348- | Carbon | Elk Mountain | Union Telephone Co. - Wy | Cell Phone |
| (307) 349- | Fremont | Atlantic City | Cellco Partnership Dba Veri... | Cell Phone |
| (307) 350- | Sweetwater | Bitter Creek | Union Telephone Company Dba... | Cell Phone |
| (307) 351- | Converse | Bill | Western Wireless Corporatio... | Cell Phone |
| (307) 352- | Sweetwater | Bitter Creek | Qwest Corporation | Landline |
| (307) 353- | Teton | Alta | Columbine Telephone Company... | Landline |
| (307) 354- | Sweetwater | Bitter Creek | Union Telephone Company Dba... | Cell Phone |
| (307) 355- | Fremont | Atlantic City | Unknown | Landline |
| (307) 356- | Carbon | Casper | Union Telephone Co. - Wy | Cell Phone |
| (307) 357- | Fremont | Gas Hills | Unknown | Landline |
