307
Cheyenne, Wyoming
Wyoming · Mountain (UTC-7) · — · 13 cities
Cities Served by Area Code 307 (13 cities)
Additional Details
Established
1947
Type
Original (1947)
Active Prefixes
520
Wireless Lines
25%
About Area Code 307
Area code 307 is one of the original 86 area codes established in 1947 when AT&T and the Bell System created the North American Numbering Plan. It has served the Cheyenne area for over 75 years. The area is in the Mountain time zone. It covers 13 cities and communities including Casper, Cheyenne, Cody, Evanston, Gillette and 8 more.
Phone Number Prefixes in Area Code 307
520 active NXX prefixes — 25% wireless, 75% landline. Each prefix (NXX) represents up to 10,000 phone numbers.
CenturyLink 97 (19%)Union Telephone Company 65 (12%)Verizon Wireless 60 (12%)AT&T Mobility 47 (9%)Onvoy 44 (8%)
| Prefix | Carrier | Type | Rate Center |
|---|---|---|---|
| 307-200 | Lumen/Level 3 | Landline | Jackson |
| 307-201 | Lumen/Level 3 | Landline | Jackson |
| 307-202 | AT&T Mobility | Wireless | Powell |
| 307-203 | T-Mobile | Wireless | Jackson |
| 307-204 | Airus | Landline | Cody |
| 307-205 | Lumen/Level 3 | Landline | Lingle |
| 307-206 | MCI/Verizon | Wireless | Lander |
| 307-207 | Airus | Landline | Lake |
| 307-208 | Landline | ||
| 307-209 | Verizon Wireless | Wireless | Rock Spg |
| 307-210 | AT&T Mobility | Wireless | Southesrdn |
| 307-211 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 307-212 | Lumen/Level 3 | Landline | Rock Spg |
| 307-213 | Lumen/Level 3 | Landline | Cody |
| 307-214 | Verizon Wireless | Wireless | Cheyenne |
| 307-215 | AT&T | Landline | Casper |
| 307-216 | AT&T Mobility | Wireless | Lusk |
| 307-217 | AT&T Mobility | Wireless | Buffalo |
| 307-218 | Onvoy | Landline | Sheridan |
| 307-219 | CenturyLink | Landline | Powell |
| 307-220 | T-Mobile | Wireless | Cheyenne |
| 307-221 | T-Mobile | Wireless | Cheyenne |
| 307-222 | Lumen/Level 3 | Landline | Cheyenne |
| 307-223 | Lumen/Level 3 | Landline | Laramie |
| 307-224 | Lumen/Level 3 | Landline | Casper |
| 307-225 | Spectrum | Landline | Laramie |
| 307-226 | MCI/Verizon | Wireless | Afton |
| 307-227 | Onvoy | Landline | Mammoth |
| 307-228 | Bandwidth.com | Landline | Gillette |
| 307-229 | Gold Star Communications | Landline | Cokeville |
| 307-230 | Bandwidth.com | Landline | Border |
| 307-231 | Verizon Wireless | Wireless | Pinedale |
| 307-232 | CenturyLink | Landline | Casper |
| 307-233 | CenturyLink | Landline | Casper |
| 307-234 | CenturyLink | Landline | Casper |
| 307-235 | CenturyLink | Landline | Casper |
| 307-236 | AT&T Mobility | Wireless | Burns |
| 307-237 | CenturyLink | Landline | Casper |
| 307-238 | AT&T Mobility | Wireless | Hamitndome |
| 307-239 | Gold Star Communications | Landline | Dubois |
| 307-240 | Verizon Wireless | Wireless | Riverton |
| 307-241 | AT&T Mobility | Wireless | Wheatland |
| 307-242 | CenturyLink | Landline | Lake |
| 307-243 | Onvoy | Landline | Casper |
| 307-244 | Silver Star Tel Co | Landline | Freedom |
| 307-245 | Rt Communications | Landline | Pinebluffs |
| 307-246 | Rt Communications | Landline | Albin |
| 307-247 | AT&T Mobility | Wireless | Casper |
| 307-248 | Verizon Wireless | Wireless | Afton |
| 307-249 | Telnyx | Landline | Jackson |
| 307-250 | Verizon Wireless | Wireless | Cody |
| 307-251 | Verizon Wireless | Wireless | Casper |
| 307-252 | Uintah Basin Electronic Telecommunications | Landline | Rock Spg |
| 307-253 | CenturyLink | Landline | Casper |
| 307-254 | Verizon Wireless | Wireless | Powell |
| 307-255 | Uintah Basin Electronic Telecommunications | Landline | Evanston |
| 307-256 | Metro by T-Mobile | Wireless | Cheyenne |
| 307-257 | Lumen/Level 3 | Landline | Gillette |
| 307-258 | Verizon Wireless | Wireless | Casper |
| 307-259 | Verizon Wireless | Wireless | Casper |
| 307-260 | Union Telephone Company | Landline | Big Piney |
| 307-261 | CenturyLink | Landline | Casper |
| 307-262 | Verizon Wireless | Wireless | Casper |
| 307-263 | Csc Wireless | Wireless | Cheyenne |
| 307-264 | Spectrum | Landline | Jackson |
| 307-265 | CenturyLink | Landline | Casper |
| 307-266 | CenturyLink | Landline | Casper |
| 307-267 | AT&T Mobility | Wireless | Casper |
| 307-268 | CenturyLink | Landline | Casper |
| 307-269 | Lumen/Level 3 | Landline | Wheatland |
| 307-270 | Union Telephone Company | Landline | Cokeville |
| 307-271 | Lumen/Level 3 | Landline | Powell |
| 307-272 | Verizon Wireless | Wireless | Cody |
| 307-273 | CenturyLink | Landline | Farson |
| 307-274 | MCI/Verizon | Wireless | Cheyenne |
| 307-275 | Verizon Wireless | Wireless | Cheyenne |
| 307-276 | CenturyLink | Landline | Big Piney |
| 307-277 | Verizon Wireless | Wireless | Casper |
| 307-278 | Lumen/Level 3 | Landline | Buffalo |
| 307-279 | All West Communications - Wy | Landline | Cokeville |
| 307-280 | Union Telephone Company | Landline | Farson |
| 307-281 | Verizon Wireless | Wireless | Sundance |
| 307-282 | Verizon Wireless | Wireless | Sundance |
| 307-283 | Range Tel Coop | Landline | Sundance |
| 307-284 | Silver Star Telephone Company | Landline | Jackson |
| 307-285 | Airus | Landline | Buffalo |
| 307-286 | Verizon Wireless | Wireless | Cheyenne |
| 307-287 | Verizon Wireless | Wireless | Cheyenne |
| 307-288 | Lumen/Level 3 | Landline | Evanston |
| 307-289 | Comcast | Landline | Cheyenne |
| 307-290 | AT&T Mobility | Wireless | Sundance |
| 307-291 | Commio | Landline | Cody |
| 307-292 | Hd Carrier | Landline | Cheyenne |
| 307-293 | Onvoy | Landline | Guernsey |
| 307-294 | Teleport Communications America Wy- | Landline | Big Piney |
| 307-295 | Onvoy | Landline | Torrington |
| 307-296 | Onvoy | Landline | Cody |
| 307-297 | Uintah Basin Electronic Telecommunications | Landline | Greenriver |
| 307-298 | Lumen/Level 3 | Landline | Douglas |
| 307-299 | AT&T Mobility | Wireless | Gillette |
| 307-300 | Onvoy | Landline | Powell |
| 307-301 | Ip Horizon | Landline | Casper |
| 307-302 | Bandwidth.com | Landline | Cody |
| 307-303 | Bandwidth.com | Landline | Greenriver |
| 307-304 | AT&T Mobility | Wireless | Jeffrey Cy |
| 307-305 | AT&T Mobility | Wireless | Midwest |
| 307-306 | Stratus Networks | Landline | Douglas |
| 307-307 | Landline | ||
| 307-308 | Landline | ||
| 307-309 | AT&T Mobility | Wireless | Glenrock |
| 307-310 | Spectrum | Landline | Cheyenne |
| 307-311 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 307-312 | Bandwidth.com | Landline | Wspearfish |
| 307-313 | Lumen/Level 3 | Landline | Evanston |
| 307-314 | Bandwidth.com | Landline | Laramie |
| 307-315 | Spectrum | Landline | Casper |
| 307-316 | Onvoy | Landline | Cheyenne |
| 307-317 | Onvoy | Landline | Cheyenne |
| 307-318 | Bandwidth.com | Landline | Wright |
| 307-319 | AT&T Mobility | Wireless | Shoshoni |
| 307-320 | Union Telephone Company | Landline | Rawlins |
| 307-321 | Verizon Wireless | Wireless | Rawlins |
| 307-322 | CenturyLink | Landline | Wheatland |
| 307-323 | Onvoy | Landline | Pinedale |
| 307-324 | CenturyLink | Landline | Rawlins |
| 307-325 | Union Tel. Co | Landline | Hanna |
| 307-326 | Union Tel. Co | Landline | Saratoga |
| 307-327 | Union Tel. Co | Landline | Encampment |
| 307-328 | CenturyLink | Landline | Rawlins |
| 307-329 | Union Telephone Company | Landline | Saratoga |
| 307-330 | Union Telephone Company | Landline | Lander |
| 307-331 | Verizon Wireless | Wireless | Wheatland |
| 307-332 | CenturyLink | Landline | Lander |
| 307-333 | Nuso | Landline | Casper |
| 307-334 | CenturyLink | Landline | Lusk |
| 307-335 | CenturyLink | Landline | Lander |
| 307-336 | Onvoy | Landline | Daniel |
| 307-337 | Spectrum | Landline | Casper |
| 307-338 | Verizon Wireless | Wireless | Torrington |
| 307-339 | Union Telephone Company | Landline | Hanna |
| 307-340 | Verizon Wireless | Wireless | Lusk |
| 307-341 | Project Tel. Co | Landline | Southwyola |
| 307-342 | Onvoy | Landline | Jackson |
| 307-343 | Verizon Wireless | Wireless | Laramie |
| 307-344 | CenturyLink | Landline | Mammoth |
| 307-345 | Union Telephone Company | Landline | Lander |
| 307-346 | Boost Subscriberco | Wireless | Cheyenne |
| 307-347 | Rt Communications | Landline | Worland |
| 307-348 | Union Tel. Co | Landline | Hanna |
| 307-349 | Verizon Wireless | Wireless | Lander |
| 307-350 | Union Telephone Company | Landline | Rock Spg |
| 307-351 | AT&T Mobility | Wireless | Douglas |
| 307-352 | CenturyLink | Landline | Rock Spg |
| 307-353 | Columbine Telco | Landline | Alta |
| 307-354 | Union Telephone Company | Landline | Rock Spg |
| 307-355 | T-Mobile | Wireless | La Grange |
| 307-356 | Union Tel. Co | Landline | Shirlebsin |
| 307-357 | Onvoy | Landline | Laramie |
| 307-358 | CenturyLink | Landline | Douglas |
| 307-359 | Verizon Wireless | Wireless | Douglas |
| 307-360 | Union Telephone Company | Landline | Pinedale |
| 307-361 | AT&T Mobility | Wireless | Baggs |
| 307-362 | CenturyLink | Landline | Rock Spg |
| 307-363 | Bandwidth.com | Landline | Gillette |
| 307-364 | Bandwidth.com | Landline | Greenriver |
| 307-365 | AT&T Mobility | Wireless | Cheyenne |
| 307-366 | Tri-County Tel. Assn | Landline | Ten Sleep |
| 307-367 | CenturyLink | Landline | Pinedale |
| 307-368 | Verizon Wireless | Wireless | Afton |
| 307-369 | Spectrum | Landline | Cheyenne |
| 307-370 | Verizon Wireless | Wireless | Rawlins |
| 307-371 | Verizon Wireless | Wireless | Rock Spg |
| 307-372 | Onvoy | Landline | Douglas |
| 307-373 | Spectrum | Landline | Greybull |
| 307-374 | Vonage | Landline | Rock Spg |
| 307-375 | Rt Communications | Landline | Worland |
| 307-376 | AT&T Mobility | Wireless | Alpine |
| 307-377 | Union Telephone Company | Landline | Casper |
| 307-378 | Union Tel. Co | Landline | Rock River |
| 307-379 | CenturyLink | Landline | Medicinbow |
| 307-380 | Union Telephone Company | Landline | Baggs |
| 307-381 | Bandwidth.com | Landline | Sheridan |
| 307-382 | CenturyLink | Landline | Rock Spg |
| 307-383 | Dubois Tel. Exch | Landline | Baggs |
| 307-384 | Commio | Landline | Afton |
| 307-385 | T-Mobile | Wireless | Jackson |
| 307-386 | Union Tel. Co | Landline | Labarge |
| 307-387 | Bandwidth.com | Landline | Gillette |
| 307-388 | AT&T Mobility | Wireless | Worland |
| 307-389 | Verizon Wireless | Wireless | Rock Spg |
| 307-390 | Union Telephone Company | Landline | Labarge |
| 307-391 | AT&T Mobility | Wireless | Moorcroft |
| 307-392 | Lumen/Level 3 | Landline | Border |
| 307-393 | Airus | Landline | Evanston |
| 307-394 | T-Mobile | Wireless | Casper |
| 307-395 | Bandwidth.com | Landline | Laramie |
| 307-396 | Bandwidth.com | Landline | Greenriver |
| 307-397 | AT&T Mobility | Wireless | Hanna |
| 307-398 | AT&T Mobility | Wireless | Labarge |
| 307-399 | Verizon Wireless | Wireless | Laramie |
| 307-400 | Terra Nova Telecom | Landline | Cheyenne |
| 307-401 | AT&T Mobility | Wireless | Torrington |
| 307-402 | AT&T Mobility | Wireless | Mt View |
| 307-403 | Bandwidth.com | Landline | Moran |
| 307-404 | AT&T Mobility | Wireless | Medicinbow |
| 307-405 | Onvoy | Landline | Wbllfourch |
| 307-406 | Landline | ||
| 307-407 | Onvoy | Landline | Wspearfish |
| 307-408 | AT&T Mobility | Wireless | Lyman |
| 307-409 | AT&T Mobility | Wireless | La Grange |
| 307-410 | T-Mobile | Wireless | Powell |
| 307-411 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 307-412 | AT&T | Landline | Cheyenne |
| 307-413 | AT&T Mobility | Wireless | Jackson |
| 307-414 | Airus | Landline | Cheyenne |
| 307-415 | Nuso | Landline | Cheyenne |
| 307-416 | Onvoy | Landline | Pinedale |
| 307-417 | Onvoy | Landline | Rawlins |
| 307-418 | AT&T Mobility | Wireless | Jackson |
| 307-419 | T-Mobile | Wireless | Cody |
| 307-420 | Onvoy | Landline | Lingle |
| 307-421 | Verizon Wireless | Wireless | Cheyenne |
| 307-422 | Chugwater Tel. Co | Landline | Chugwater |
| 307-423 | Bandwidth.com | Landline | Buffalo |
| 307-424 | Onvoy | Landline | Lake |
| 307-425 | Advanced Communications Technology | Landline | Buffalo |
| 307-426 | Spectrum | Landline | Cheyenne |
| 307-427 | Onvoy | Landline | Mammoth |
| 307-428 | T-Mobile | Wireless | Douglas |
| 307-429 | Bandwidth.com | Landline | Sheridan |
| 307-430 | Onvoy | Landline | Oldfathful |
| 307-431 | Verizon Wireless | Wireless | Worland |
| 307-432 | CenturyLink | Landline | Cheyenne |
| 307-433 | CenturyLink | Landline | Cheyenne |
| 307-434 | Onvoy | Landline | Gillette |
| 307-435 | T-Mobile | Wireless | Sheridan |
| 307-436 | CenturyLink | Landline | Glenrock |
| 307-437 | Rt Communications | Landline | Midwest |
| 307-438 | Verizon Wireless | Wireless | Lander |
| 307-439 | Lumen/Level 3 | Landline | Casper |
| 307-440 | Spectrum | Landline | Basin |
| 307-441 | Verizon Wireless | Wireless | Casper |
| 307-442 | Onvoy | Landline | Evanston |
| 307-443 | Commio | Landline | Cheyenne |
| 307-444 | All West/Wyoming | Landline | Evanston |
| 307-445 | Onvoy | Landline | Kemmerer |
| 307-446 | Onvoy | Landline | Wspearfish |
| 307-447 | Lumen/Level 3 | Landline | Saratoga |
| 307-448 | Verizon Wireless | Wireless | Rock Spg |
| 307-449 | AT&T Mobility | Wireless | Rock Spg |
| 307-450 | Union Telephone Company | Landline | Dubois |
| 307-451 | Vonage | Landline | Rock Spg |
| 307-452 | Onvoy | Landline | Casper |
| 307-453 | Onvoy | Landline | Jackson |
| 307-454 | Onvoy | Landline | Riverton |
| 307-455 | Dubois Tel. Exch | Landline | Dubois |
| 307-456 | Onvoy | Landline | Big Piney |
| 307-457 | Rt Communications | Landline | Gas Hills |
| 307-458 | Boost Subscriberco | Wireless | Casper |
| 307-459 | Lumen/Level 3 | Landline | Cheyenne |
| 307-460 | Lumen/Level 3 | Landline | Laramie |
| 307-461 | Lumen/Level 3 | Landline | Sheridan |
| 307-462 | Lumen/Level 3 | Landline | Casper |
| 307-463 | Lumen/Level 3 | Landline | Riverton |
| 307-464 | CenturyLink | Landline | Wright |
| 307-465 | Rt Communications | Landline | Newcastle |
| 307-466 | Verizon Wireless | Wireless | Greenriver |
| 307-467 | Rt Communications | Landline | Hulett |
| 307-468 | Rt Communications | Landline | Upton |
| 307-469 | Tri-County Tel. Assn | Landline | Hyattville |
| 307-470 | Landline | ||
| 307-471 | AT&T Mobility | Wireless | Lusk |
| 307-472 | CenturyLink | Landline | Casper |
| 307-473 | CenturyLink | Landline | Casper |
| 307-474 | Onvoy | Landline | Cody |
| 307-475 | Telnyx | Landline | Cheyenne |
| 307-476 | Onvoy | Landline | Laramie |
| 307-477 | Union Telephone Company | Landline | Cheyenne |
| 307-478 | T-Mobile | Wireless | La Grange |
| 307-479 | Onvoy | Landline | Powell |
| 307-480 | AT&T Mobility | Wireless | Thermopols |
| 307-481 | Onvoy | Landline | Lusk |
| 307-482 | T-Mobile | Wireless | Wheatland |
| 307-483 | AT&T Mobility | Wireless | Rawlins |
| 307-484 | Wavenation | Landline | Cheyenne |
| 307-485 | T-Mobile | Wireless | Casper |
| 307-486 | Dubois Tel. Exch | Landline | Crowheart |
| 307-487 | Verizon Wireless | Wireless | Gillette |
| 307-488 | Bandwidth.com | Landline | Lander |
| 307-489 | AT&T Mobility | Wireless | Shirlebsin |
| 307-497 | All West Communications - Wy | Landline | Evanston |
| 307-500 | Onvoy | Landline | Border |
| 307-507 | Wide Voice | Landline | Cheyenne |
| 307-509 | Bandwidth.com | Landline | Cheyenne |
| 307-511 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 307-514 | Spectrum | Landline | Cheyenne |
| 307-520 | Union Telephone Company | Landline | Medicinbow |
| 307-522 | Airus | Landline | Rock Spg |
| 307-527 | CenturyLink | Landline | Cody |
| 307-529 | Onvoy | Landline | Cheyenne |
| 307-532 | CenturyLink | Landline | Torrington |
| 307-533 | Verizon Wireless | Wireless | Sheridan |
| 307-534 | CenturyLink | Landline | Torrington |
| 307-536 | Landline | ||
| 307-537 | CenturyLink | Landline | Pinedale |
| 307-540 | Union Telephone Company | Landline | Jeffrey Cy |
| 307-541 | Union Telephone Company | Landline | Moran |
| 307-543 | CenturyLink | Landline | Moran |
| 307-544 | Rt Communications | Landline | Jeffrey Cy |
| 307-545 | CenturyLink | Landline | Oldfathful |
| 307-547 | Rt Communications | Landline | Burns |
| 307-548 | Tri-County Tel. Assn | Landline | Lovell |
| 307-549 | Union Telephone Company | Landline | Oldfathful |
| 307-554 | Onvoy | Landline | Glenrock |
| 307-555 | Multiple Ocn Listing | Landline | Dir Asst |
| 307-556 | Onvoy | Landline | Riverton |
| 307-558 | Landline | ||
| 307-559 | Landline | ||
| 307-567 | Union Telephone Company | Landline | Gillette |
| 307-568 | Tri-County Tel. Assn | Landline | Basin |
| 307-575 | Verizon Wireless | Wireless | Torrington |
| 307-576 | Columbine Telco | Landline | Leighcnyon |
| 307-577 | CenturyLink | Landline | Casper |
| 307-578 | CenturyLink | Landline | Cody |
| 307-586 | Tri Tel | Landline | Cody |
| 307-587 | CenturyLink | Landline | Cody |
| 307-600 | Union Telephone Company | Landline | Cokeville |
| 307-605 | Landline | ||
| 307-611 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 307-620 | Verizon Wireless | Wireless | Buffalo |
| 307-621 | Verizon Wireless | Wireless | Buffalo |
| 307-622 | AT&T Mobility | Wireless | Gillette |
| 307-624 | AT&T Mobility | Wireless | Douglas |
| 307-629 | AT&T Mobility | Wireless | Newcastle |
| 307-630 | Verizon Wireless | Wireless | Cheyenne |
| 307-631 | Verizon Wireless | Wireless | Cheyenne |
| 307-632 | CenturyLink | Landline | Cheyenne |
| 307-633 | CenturyLink | Landline | Cheyenne |
| 307-634 | CenturyLink | Landline | Cheyenne |
| 307-635 | CenturyLink | Landline | Cheyenne |
| 307-637 | CenturyLink | Landline | Cheyenne |
| 307-638 | CenturyLink | Landline | Cheyenne |
| 307-640 | AT&T Mobility | Wireless | Cheyenne |
| 307-643 | CenturyLink | Landline | Wspearfish |
| 307-645 | Project Tel. Co | Landline | Clark |
| 307-649 | Rt Communications | Landline | Carpenter |
| 307-650 | Airus | Landline | Cheyenne |
| 307-654 | Silver Star Tel Co | Landline | Alpine |
| 307-655 | CenturyLink | Landline | Sheridan |
| 307-660 | AT&T Mobility | Wireless | Gillette |
| 307-663 | Golden West Tel Coop | Landline | W Edgemont |
| 307-664 | Tri-County Tel. Assn | Landline | Frannie |
| 307-666 | Fractel | Landline | Cheyenne |
| 307-667 | Onvoy | Landline | Rawlins |
| 307-670 | Verizon Wireless | Wireless | Gillette |
| 307-672 | CenturyLink | Landline | Sheridan |
| 307-673 | CenturyLink | Landline | Sheridan |
| 307-674 | CenturyLink | Landline | Sheridan |
| 307-675 | Advanced Communications Technology | Landline | Sheridan |
| 307-677 | Verizon Wireless | Wireless | Evanston |
| 307-679 | Verizon Wireless | Wireless | Evanston |
| 307-680 | AT&T Mobility | Wireless | Gillette |
| 307-681 | Advanced Communications Technology | Landline | Gillette |
| 307-682 | CenturyLink | Landline | Gillette |
| 307-683 | CenturyLink | Landline | Sheridan |
| 307-684 | CenturyLink | Landline | Buffalo |
| 307-685 | CenturyLink | Landline | Gillette |
| 307-686 | CenturyLink | Landline | Gillette |
| 307-687 | CenturyLink | Landline | Gillette |
| 307-688 | CenturyLink | Landline | Gillette |
| 307-689 | Verizon Wireless | Wireless | Gillette |
| 307-690 | Verizon Wireless | Wireless | Jackson |
| 307-696 | AT&T Mobility | Wireless | Gillette |
| 307-699 | Verizon Wireless | Wireless | Jackson |
| 307-700 | Landline | ||
| 307-701 | Union Telephone Company | Landline | Cheyenne |
| 307-702 | Union Telephone Company | Landline | Casper |
| 307-703 | Union Telephone Company | Landline | Laramie |
| 307-704 | Union Telephone Company | Landline | Gillette |
| 307-705 | Union Telephone Company | Landline | Rock Spg |
| 307-706 | Union Telephone Company | Landline | Sheridan |
| 307-707 | Union Telephone Company | Landline | Greenriver |
| 307-708 | Union Telephone Company | Landline | Evanston |
| 307-709 | Union Telephone Company | Landline | Riverton |
| 307-710 | Union Telephone Company | Landline | Rawlins |
| 307-711 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 307-712 | Union Telephone Company | Landline | Cody |
| 307-713 | Union Telephone Company | Landline | Jackson |
| 307-714 | Union Telephone Company | Landline | Lander |
| 307-715 | Union Telephone Company | Landline | Torrington |
| 307-716 | Union Telephone Company | Landline | Powell |
| 307-717 | Union Telephone Company | Landline | Douglas |
| 307-718 | Union Telephone Company | Landline | Worland |
| 307-719 | Union Telephone Company | Landline | Buffalo |
| 307-720 | Union Telephone Company | Landline | Wheatland |
| 307-721 | CenturyLink | Landline | Laramie |
| 307-722 | Union Telephone Company | Landline | Thermopols |
| 307-723 | Union Telephone Company | Landline | Kemmerer |
| 307-724 | Union Telephone Company | Landline | Casper |
| 307-725 | Landline | ||
| 307-727 | Union Telephone Company | Landline | Kemmerer |
| 307-728 | Union Telephone Company | Landline | Shoshoni |
| 307-730 | Union Telephone Company | Landline | Jackson |
| 307-731 | Union Telephone Company | Landline | Lovell |
| 307-732 | CenturyLink | Landline | Jackson |
| 307-733 | CenturyLink | Landline | Jackson |
| 307-734 | CenturyLink | Landline | Jackson |
| 307-735 | CenturyLink | Landline | Glendo |
| 307-736 | Range Tel Coop | Landline | Arvada |
| 307-737 | Range Tel Coop | Landline | Southesrdn |
| 307-738 | Rt Communications | Landline | Kaycee |
| 307-739 | CenturyLink | Landline | Jackson |
| 307-740 | Union Telephone Company | Landline | Jackson |
| 307-741 | Union Telephone Company | Landline | Glenrock |
| 307-742 | CenturyLink | Landline | Laramie |
| 307-744 | Union Telephone Company | Landline | Newcastle |
| 307-745 | CenturyLink | Landline | Laramie |
| 307-746 | Rt Communications | Landline | Newcastle |
| 307-747 | Union Telephone Company | Landline | Mt View |
| 307-749 | Union Telephone Company | Landline | Pinedale |
| 307-750 | Range Tel Coop | Landline | Decker |
| 307-751 | AT&T Mobility | Wireless | Sheridan |
| 307-752 | Verizon Wireless | Wireless | Sheridan |
| 307-754 | CenturyLink | Landline | Powell |
| 307-755 | CenturyLink | Landline | Laramie |
| 307-756 | Rt Communications | Landline | Moorcroft |
| 307-757 | Verizon Wireless | Wireless | Cheyenne |
| 307-758 | Range Tel Coop | Landline | Clearmont |
| 307-759 | Union Telephone Company | Landline | Lusk |
| 307-760 | Verizon Wireless | Wireless | Laramie |
| 307-761 | AT&T Mobility | Wireless | Laramie |
| 307-762 | Tri-County Tel. Assn | Landline | Burlington |
| 307-763 | Verizon Wireless | Wireless | Sheridan |
| 307-764 | Tri Tel | Landline | Powell |
| 307-765 | Tri-County Tel. Assn | Landline | Greybull |
| 307-766 | CenturyLink | Landline | Laramie |
| 307-770 | All West/Wyoming | Landline | Farson |
| 307-771 | CenturyLink | Landline | Cheyenne |
| 307-772 | CenturyLink | Landline | Cheyenne |
| 307-773 | CenturyLink | Landline | Cheyenne |
| 307-774 | AT&T Mobility | Wireless | Jackson |
| 307-775 | CenturyLink | Landline | Cheyenne |
| 307-776 | Vonage | Landline | Casper |
| 307-777 | CenturyLink | Landline | Cheyenne |
| 307-778 | CenturyLink | Landline | Cheyenne |
| 307-779 | Union Telephone Company | Landline | Wheatland |
| 307-780 | Union Telephone Company | Landline | Mt View |
| 307-782 | Union Tel. Co | Landline | Mt View |
| 307-783 | CenturyLink | Landline | Evanston |
| 307-785 | Onvoy | Landline | Wbllfourch |
| 307-786 | Union Tel. Co | Landline | Urie |
| 307-787 | Union Tel. Co | Landline | Lyman |
| 307-788 | CenturyLink | Landline | West Lyman |
| 307-789 | CenturyLink | Landline | Evanston |
| 307-790 | Union Telephone Company | Landline | Sundance |
| 307-797 | AT&T Mobility | Wireless | Casper |
| 307-798 | Union Telephone Company | Landline | Rock River |
| 307-799 | Union Telephone Company | Landline | Evanston |
| 307-800 | Onvoy | Landline | Kemmerer |
| 307-811 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 307-823 | Teleport Communications America Wy- | Landline | Cheyenne |
| 307-828 | CenturyLink | Landline | Kemmerer |
| 307-829 | CenturyLink | Landline | Cheyenne |
| 307-834 | CenturyLink | Landline | La Grange |
| 307-836 | CenturyLink | Landline | Guernsey |
| 307-837 | CenturyLink | Landline | Lingle |
| 307-840 | Verizon Wireless | Wireless | Riverton |
| 307-849 | CenturyLink | Landline | Border |
| 307-850 | Union Telephone Company | Landline | Riverton |
| 307-851 | Verizon Wireless | Wireless | Riverton |
| 307-854 | Advanced Communications Technology | Landline | Riverton |
| 307-855 | CenturyLink | Landline | Riverton |
| 307-856 | CenturyLink | Landline | Riverton |
| 307-857 | CenturyLink | Landline | Riverton |
| 307-858 | Union Telephone Company | Landline | Riverton |
| 307-859 | CenturyLink | Landline | Daniel |
| 307-864 | Rt Communications | Landline | Thermopols |
| 307-867 | Tri-County Tel. Assn | Landline | Hamitndome |
| 307-868 | Tri-County Tel. Assn | Landline | Meeteetse |
| 307-870 | Union Telephone Company | Landline | Greenriver |
| 307-871 | Verizon Wireless | Wireless | Greenriver |
| 307-872 | CenturyLink | Landline | Greenriver |
| 307-874 | Union Tel. Co | Landline | Manila |
| 307-875 | CenturyLink | Landline | Greenriver |
| 307-876 | Rt Communications | Landline | Shoshoni |
| 307-877 | CenturyLink | Landline | Kemmerer |
| 307-878 | Range Tel Coop | Landline | So Alzada |
| 307-880 | Gold Star Communications | Landline | Freedom |
| 307-881 | Advanced Communications Technology | Landline | Wheatland |
| 307-883 | Silver Star Tel Co | Landline | Freedom |
| 307-884 | Union Telephone Company | Landline | Afton |
| 307-885 | Silver Star Tel Co | Landline | Afton |
| 307-886 | CenturyLink | Landline | Afton |
| 307-887 | Gold Star Communications | Landline | Afton |
| 307-888 | Telnyx | Landline | Oldfathful |
| 307-890 | Union Telephone Company | Landline | Freedom |
| 307-895 | Twilio | Landline | Cheyenne |
| 307-896 | CenturyLink | Landline | Wbllfourch |
| 307-899 | AT&T Mobility | Wireless | Cody |
| 307-900 | Fractel | Landline | Glendo |
| 307-910 | Onvoy | Landline | Cheyenne |
| 307-911 | Multiple Ocn Listing | Landline | Xxxxxxxxxx |
| 307-920 | T-Mobile | Wireless | Cheyenne |
| 307-921 | Verizon Wireless | Wireless | Thermopols |
| 307-922 | Verizon Wireless | Wireless | Rock Spg |
| 307-939 | CenturyLink | Landline | Wright |
| 307-941 | Verizon Wireless | Wireless | Newcastle |
| 307-949 | Verizon Wireless | Wireless | Newcastle |
| 307-950 | Landline | ||
| 307-958 | Landline | ||
| 307-959 | Landline | ||
| 307-970 | Landline | ||
| 307-976 | Landline | ||
| 307-977 | Union Telephone Company | Landline | Laramie |
| 307-988 | Landline | ||
| 307-990 | Commio | Landline | Lander |
| 307-995 | CenturyLink | Landline | Casper |
| 307-996 | Onvoy | Landline | Cheyenne |
| 307-998 | Onvoy | Landline | Sheridan |
| 307-999 | Telnyx | Landline | Moran |
About Area Code 307
Area code 307 has been around since 1947, one of the originals that helped wire up the country when phones were just starting to connect folks across vast distances. Picture this: back then, they carved out this code for the entire state of Wyoming, a place where wide-open plains meet rugged mountains, and life moves at a slower pace than in bigger cities. Cheyenne, as the capital, sits right at the heart of it all, serving as a hub for government and a gateway to the rest of the state. You've got places like Casper with its oil rigs and rodeos, or Jackson, where elk wander through town and folks hit the slopes in winter. This code covers 13 cities in total, from Evanston near the Utah border to Cody, named after Buffalo Bill himself. What makes 307 stand out? It's all about that Wyoming spirit—tough, independent, and tied to the land. With a Mountain time zone at UTC-7, calls here might come in while you're watching the sunset over the Bighorns. Over the years, it hasn't needed overlays or splits because Wyoming's population stays steady and spread out, keeping things simple for locals who rely on it for everything from chatting with neighbors to coordinating cattle drives.
⚠ Scam & Spam Alert for 307
Phone scams hit Wyoming just like anywhere else, and 307 numbers aren't exempt. You might get a call from someone claiming to be from the IRS, demanding payment for taxes you don't owe—don't fall for it, as they rarely call first. Auto warranty scams are common too, with smooth talkers pushing extended coverage on your old truck that you never signed up for. Medicare fraud pops up now and then, targeting retirees with promises of free medical gear that end up costing a bundle. These tricks prey on trust in a state where people are known for their straightforward ways. To stay safe, hang up and call back the official number you know is real; it'll save you headaches down the road.
Local Snapshot
Wyoming's population hovers around 580,000 folks, making it one of the sparsest states in the US. Energy drives the economy here, with oil, gas, and coal pulling in jobs across the plains. The state draws tourists for its stunning national parks and wild rivers, where you can spot bison roaming free. Did you know Wyoming elected the first woman governor in the nation back in 1925? That says a lot about its progressive roots in a place often seen as all cowboys and cattle.
Frequently Asked Questions
Where is area code 307?
Area code 307 serves Cheyenne and surrounding communities in Wyoming, including Casper, Cheyenne, Cody, Evanston, Gillette and 8 more. It is in the Mountain time zone.
What cities are in area code 307?
Area code 307 covers 13 cities in Wyoming: Casper, Cheyenne, Cody, Evanston, Gillette, Green River, Jackson, Lander, Laramie, Rawlins, and 3 more
What time zone is 307?
Area code 307 is in the Mountain time zone (UTC-7).
When was area code 307 created?
Area code 307 is one of the original area codes established in 1947 as part of the North American Numbering Plan.
Is 307 a legitimate area code?
Yes, 307 is a valid, active area code assigned to Cheyenne, Wyoming. However, scammers can spoof any area code, so receiving a call from 307 doesn't guarantee the caller is actually in this area.
Has area code 307 ever been split, and what does this mean for Wyoming residents?
Area code 307 has not been split since 1947, allowing it to cover the entire state of Wyoming without overlays. This setup means residents have used the same code for decades, simplifying local calling.
What historical events are tied to cities in the 307 area code?
Cheyenne in the 307 area played a key role in the development of the transcontinental railroad in the 1860s. Other cities like Casper have sites related to the Oregon Trail, drawing interest from those exploring Wyoming's pioneer past.
What outdoor activities are popular in regions under area code 307?
Hiking and wildlife viewing in Yellowstone National Park near Cody attract many visitors in the 307 area. Fishing in places like Jackson offers chances to experience Wyoming's rivers and mountains year-round.