Who Called Me from Area Code 307?
- No voicemail? Let it go. Real callers leave messages.
- Recognize the pattern? Check the number in the prefix lookup.
- Getting repeats? ActiveArmor® blocks and labels them automatically.
- Same prefix calling again? Compare it against this month’s most-reported 307 prefixes, right on this page.
- Curious who issued a number? Every 307 prefix belongs to a carrier — the registry names it.
216 unwanted-call reports naming 307 numbers in FTC Do Not Call complaint data, July 2–17, 2026. Consumer-reported and unverified.
Block spam calls in the 307, included with AT&T wireless
AT&T ActiveArmor® is the network-level security that screens the calls this page is about:
- Fraud calls blocked automatically on the network
- Suspected spam labeled before you answer
- Caller ID & custom call blocking in the free app
- Reverse number lookup (available with ActiveArmor Advanced security. Fee required.)
- Identity monitoring & identity theft insurance (available with ActiveArmor Advanced security. Fee required.)
Included with AT&T wireless plans. Requires compatible device/service and download of the AT&T ActiveArmor® app. Other terms & restrictions apply. May not detect all threats and may block wanted calls. Some features require Advanced mobile security ($7/mo.). See terms.
See how ActiveArmor worksIncluded with the free 30-day AT&T Wireless℠ trial- 100GB of data plus 25GB hotspot
- Unlimited talk & text in the U.S., Canada and Mexico
- Texting from the U.S. to 200+ countries & territories
- Access to the AT&T 5G network
Offer details
Service good for 30 days. Data: Limited to 100GB of data and 25GB of hotspot data. No additional data is available after limit is reached. Video is limited to SD quality. Talk & Text: Includes unlimited talk & text within the U.S. and unlimited text from the U.S. to over 230 countries. Limits: One trial per user. An unlocked, dual eSIM iPhone is required. You’ll receive a trial phone number that belongs to AT&T and is not available to be ported to another carrier or otherwise retained. Trial plan features and details may differ from or be unavailable in other AT&T plans. U.S. only. All terms subject to change at any time.
Is Area Code 307 a Scam?
It’s one of the original 1947 codes and serves Cheyenne and surrounding communities. But legitimacy of the code says nothing about any single call. Scammers spoof local numbers constantly.
Been targeted? Report it to the FTC at reportfraud.ftc.gov. Reports feed the complaint data that powers spam blocking.
Scam texts from area code 307 numbers
The most common area code 307 text scam is the “wrong number” opener: a friendly message that pretends to know you, then moves the chat to WhatsApp and eventually to an investment pitch. Scripts currently circulating:
- “U at home?” · “Are you busy tomorrow?” · “How are you doing?”
- Delivery-problem and job-offer texts that link out to a login page
Don’t reply. A response marks your number as live. Forward scam texts to 7726 (SPAM), and AT&T ActiveArmor® filters known senders automatically.
How number spoofing works in area code 307
Caller ID is easy to forge. Spoofing fakes the number a call displays. The real owner of that 307 number isn’t involved and usually has no idea. That’s why blocking one number rarely stops the calls.
- A call from a number almost identical to yours (same 307 and prefix) is “mirror spoofing.” A missed call from your own number is never worth returning.
- Strangers calling you back saying you called them? Your 307 number is being spoofed. It typically passes within days, and you don’t need a new number. Report it at reportfraud.ftc.gov.
- The caller-ID checkmark: AT&T verifies network calls (STIR/SHAKEN). A verified mark means the displayed number wasn’t faked. No mark doesn’t always mean scam, but treat it with more caution.
Spoofed or not, the rule holds: unexpected caller, no voicemail? Let it go.
307 Area Code Prefix & Carrier Lookup
The three digits after the area code identify the carrier a number was issued to. All 497 assigned 307 prefixes below are real, from the public numbering registry. Type to filter.
This isn’t a reverse phone lookup: no legitimate free service can tell you who owns a specific number. What a 307 prefix does show: the carrier that issued it, whether it’s wireless, landline or VoIP, and the community it belongs to, which is often enough to judge whether a call was worth returning.
| Prefix | Carrier | Line type |
|---|---|---|
| 307-200 | Lumen (Level 3) | VoIP |
| 307-201 | Lumen (Level 3) | VoIP |
| 307-202 | AT&T Mobility | Wireless |
| 307-203 | T-Mobile | Wireless |
| 307-204 | Airus | Landline |
| 307-205 | Lumen (Level 3) | VoIP |
| 307-206 | Verizon Business (MCImetro) | Landline |
| 307-207 | Airus | Landline |
| 307-209 | Verizon Wireless | Wireless |
| 307-210 | AT&T Mobility | Wireless |
| 307-212 | Lumen (Level 3) | VoIP |
| 307-213 | Lumen (Level 3) | VoIP |
| 307-214 | Verizon Wireless | Wireless |
| 307-215 | Bandwidth.com | VoIP |
| 307-216 | AT&T Mobility | Wireless |
| 307-217 | AT&T Mobility | Wireless |
| 307-218 | Onvoy (Sinch) | VoIP |
| 307-219 | Lumen (CenturyLink) | Landline |
| 307-220 | T-Mobile | Wireless |
| 307-221 | T-Mobile | Wireless |
| 307-222 | Lumen (Level 3) | VoIP |
| 307-223 | Lumen (Level 3) | VoIP |
| 307-224 | Lumen (Level 3) | VoIP |
| 307-225 | Spectrum (Charter IP) | Landline |
| 307-226 | Verizon Business (MCImetro) | Landline |
| 307-227 | Onvoy (Sinch) | VoIP |
| 307-228 | Bandwidth.com | VoIP |
| 307-229 | AT&T Mobility | Wireless |
| 307-230 | Bandwidth.com | VoIP |
| 307-231 | Verizon Wireless | Wireless |
| 307-232 | Qwest Corporation | Landline |
| 307-233 | Qwest Corporation | Landline |
| 307-234 | Qwest Corporation | Landline |
| 307-235 | Qwest Corporation | Landline |
| 307-236 | AT&T Mobility | Wireless |
| 307-237 | Qwest Corporation | Landline |
| 307-238 | AT&T Mobility | Wireless |
| 307-239 | AT&T Mobility | Wireless |
| 307-240 | Verizon Wireless | Wireless |
| 307-241 | AT&T Mobility | Wireless |
| 307-242 | Qwest Corporation | Landline |
| 307-243 | Onvoy (Sinch) | VoIP |
| 307-244 | Silver Star Tel Co | Landline |
| 307-245 | Rt Communications | Landline |
| 307-246 | Rt Communications | Landline |
| 307-247 | AT&T Mobility | Wireless |
| 307-248 | Verizon Wireless | Wireless |
| 307-249 | Telnyx | Landline |
| 307-250 | Verizon Wireless | Wireless |
| 307-251 | Verizon Wireless | Wireless |
| 307-252 | Uintah Basin Electronic Telecommunications | Landline |
| 307-253 | Qwest Corporation | Landline |
| 307-254 | Verizon Wireless | Wireless |
| 307-255 | Uintah Basin Electronic Telecommunications | Landline |
| 307-256 | Metro by T-Mobile (MetroPCS) | Wireless |
| 307-257 | Lumen (Level 3) | VoIP |
| 307-258 | Verizon Wireless | Wireless |
| 307-259 | Verizon Wireless | Wireless |
| 307-260 | Union Telephone Company | Landline |
| 307-261 | Qwest Corporation | Landline |
| 307-262 | Verizon Wireless | Wireless |
| 307-263 | Csc Wireless | Wireless |
| 307-264 | Spectrum (Charter IP) | Landline |
| 307-265 | Qwest Corporation | Landline |
| 307-266 | Qwest Corporation | Landline |
| 307-267 | AT&T Mobility | Wireless |
| 307-268 | Qwest Corporation | Landline |
| 307-269 | Lumen (Level 3) | VoIP |
| 307-270 | Union Telephone Company | Landline |
| 307-271 | Lumen (Level 3) | VoIP |
| 307-272 | Verizon Wireless | Wireless |
| 307-273 | Centurytel Of Wyoming, Inc. dba Centurylink | Landline |
| 307-274 | Verizon Business (MCImetro) | Landline |
| 307-275 | Verizon Wireless | Wireless |
| 307-276 | Centurytel Of Wyoming, Inc. dba Centurylink | Landline |
| 307-277 | Verizon Wireless | Wireless |
| 307-278 | Lumen (Level 3) | VoIP |
| 307-279 | All West Communications | Landline |
| 307-280 | Union Telephone Company | Landline |
| 307-281 | Verizon Wireless | Wireless |
| 307-282 | Verizon Wireless | Wireless |
| 307-283 | Range Tel Coop | Landline |
| 307-284 | Silver Star Telephone Company | Landline |
| 307-285 | Airus | Landline |
| 307-286 | Verizon Wireless | Wireless |
| 307-287 | Verizon Wireless | Wireless |
| 307-288 | Lumen (Level 3) | VoIP |
| 307-289 | Comcast (Xfinity Voice) | VoIP |
| 307-290 | AT&T Mobility | Wireless |
| 307-291 | Commio | Landline |
| 307-292 | Hd Carrier | Landline |
| 307-293 | Onvoy (Sinch) | VoIP |
| 307-294 | AT&T (Teleport Communications) | Landline |
| 307-295 | Onvoy (Sinch) | VoIP |
| 307-296 | Onvoy (Sinch) | VoIP |
| 307-297 | Uintah Basin Electronic Telecommunications | Landline |
| 307-298 | Lumen (Level 3) | VoIP |
| 307-299 | AT&T Mobility | Wireless |
| 307-300 | Onvoy (Sinch) | VoIP |
| 307-301 | Ip Horizon | Landline |
| 307-302 | Bandwidth.com | VoIP |
| 307-303 | Bandwidth.com | VoIP |
| 307-304 | AT&T Mobility | Wireless |
| 307-305 | AT&T Mobility | Wireless |
| 307-306 | Stratus Networks | Landline |
| 307-309 | AT&T Mobility | Wireless |
| 307-310 | Onvoy Spectrum (Sinch) | VoIP |
| 307-312 | Bandwidth.com | VoIP |
| 307-313 | Lumen (Level 3) | VoIP |
| 307-314 | Bandwidth.com | VoIP |
| 307-315 | Spectrum (Charter IP) | Landline |
| 307-316 | Onvoy (Sinch) | VoIP |
| 307-317 | Onvoy (Sinch) | VoIP |
| 307-318 | Bandwidth.com | VoIP |
| 307-319 | AT&T Mobility | Wireless |
| 307-320 | Union Telephone Company | Landline |
| 307-321 | Verizon Wireless | Wireless |
| 307-322 | Qwest Corporation | Landline |
| 307-323 | Lumen (Level 3) | VoIP |
| 307-324 | Qwest Corporation | Landline |
| 307-325 | Union Tel. | Landline |
| 307-326 | Union Tel. | Landline |
| 307-327 | Union Tel. | Landline |
| 307-328 | Qwest Corporation | Landline |
| 307-329 | Union Telephone Company | Landline |
| 307-330 | Union Telephone Company | Landline |
| 307-331 | Verizon Wireless | Wireless |
| 307-332 | Qwest Corporation | Landline |
| 307-333 | Nuso | Landline |
| 307-334 | Qwest Corporation | Landline |
| 307-335 | Qwest Corporation | Landline |
| 307-336 | Lumen (Level 3) | VoIP |
| 307-337 | Spectrum (Charter IP) | Landline |
| 307-338 | Verizon Wireless | Wireless |
| 307-339 | Union Telephone Company | Landline |
| 307-340 | Verizon Wireless | Wireless |
| 307-341 | Project Tel. Co. | Landline |
| 307-342 | Onvoy (Sinch) | VoIP |
| 307-343 | Verizon Wireless | Wireless |
| 307-344 | Qwest Corporation | Landline |
| 307-345 | Union Telephone Company | Landline |
| 307-346 | Boost Mobile | Landline |
| 307-347 | Rt Communications | Landline |
| 307-348 | Union Tel. | Landline |
| 307-349 | Verizon Wireless | Wireless |
| 307-350 | Union Telephone Company | Landline |
| 307-351 | AT&T Mobility | Wireless |
| 307-352 | Qwest Corporation | Landline |
| 307-353 | Columbine Telco dba Silver Star Communications | Landline |
| 307-354 | Union Telephone Company | Landline |
| 307-355 | T-Mobile | Wireless |
| 307-356 | Union Tel. | Landline |
| 307-357 | Onvoy (Sinch) | VoIP |
| 307-358 | Qwest Corporation | Landline |
| 307-359 | Verizon Wireless | Wireless |
| 307-360 | Union Telephone Company | Landline |
| 307-361 | AT&T Mobility | Wireless |
| 307-362 | Qwest Corporation | Landline |
| 307-363 | Bandwidth.com | VoIP |
| 307-364 | Bandwidth.com | VoIP |
| 307-365 | AT&T Mobility | Wireless |
| 307-366 | Tri-County Tel. Assn. | Landline |
| 307-367 | Centurytel Of Wyoming, Inc. dba Centurylink | Landline |
| 307-368 | Verizon Wireless | Wireless |
| 307-369 | Spectrum (Charter IP) | Landline |
| 307-370 | Verizon Wireless | Wireless |
| 307-371 | Verizon Wireless | Wireless |
| 307-372 | Onvoy (Sinch) | VoIP |
| 307-373 | Bresnan Broadband Of Wyoming, LLC - Wy [Charter] | Landline |
| 307-374 | Vonage | VoIP |
| 307-375 | Rt Communications | Landline |
| 307-376 | AT&T Mobility | Wireless |
| 307-377 | Union Telephone Company | Landline |
| 307-378 | Union Tel. | Landline |
| 307-379 | Centurytel Of Wyoming, Inc. dba Centurylink | Landline |
| 307-380 | Union Telephone Company | Landline |
| 307-381 | Bandwidth.com | VoIP |
| 307-382 | Qwest Corporation | Landline |
| 307-383 | Dubois Tel. Exch. | Landline |
| 307-384 | Commio | Landline |
| 307-385 | T-Mobile | Wireless |
| 307-386 | Union Tel. | Landline |
| 307-387 | Bandwidth.com | VoIP |
| 307-388 | AT&T Mobility | Wireless |
| 307-389 | Verizon Wireless | Wireless |
| 307-390 | Union Telephone Company | Landline |
| 307-391 | AT&T Mobility | Wireless |
| 307-392 | Lumen (Level 3) | VoIP |
| 307-393 | Airus | Landline |
| 307-394 | T-Mobile | Wireless |
| 307-395 | Bandwidth.com | VoIP |
| 307-396 | Bandwidth.com | VoIP |
| 307-397 | AT&T Mobility | Wireless |
| 307-398 | AT&T Mobility | Wireless |
| 307-399 | Verizon Wireless | Wireless |
| 307-400 | Terra Nova Telecom | Landline |
| 307-401 | AT&T Mobility | Wireless |
| 307-402 | AT&T Mobility | Wireless |
| 307-403 | Bandwidth.com | VoIP |
| 307-404 | AT&T Mobility | Wireless |
| 307-405 | Onvoy (Sinch) | VoIP |
| 307-407 | Onvoy (Sinch) | VoIP |
| 307-408 | AT&T Mobility | Wireless |
| 307-409 | AT&T Mobility | Wireless |
| 307-410 | T-Mobile | Wireless |
| 307-412 | AT&T Local | Landline |
| 307-413 | AT&T Mobility | Wireless |
| 307-414 | Airus | Landline |
| 307-415 | Nuso | Landline |
| 307-416 | Lumen (Level 3) | VoIP |
| 307-417 | Onvoy (Sinch) | VoIP |
| 307-418 | AT&T Mobility | Wireless |
| 307-419 | T-Mobile | Wireless |
| 307-420 | Onvoy (Sinch) | VoIP |
| 307-421 | Verizon Wireless | Wireless |
| 307-422 | Chugwater Tel. | Landline |
| 307-423 | Bandwidth.com | VoIP |
| 307-424 | Onvoy (Sinch) | VoIP |
| 307-425 | Advanced Communications Technology | Landline |
| 307-426 | Spectrum (Charter IP) | Landline |
| 307-427 | Onvoy (Sinch) | VoIP |
| 307-428 | T-Mobile | Wireless |
| 307-429 | Bandwidth.com | VoIP |
| 307-430 | Onvoy (Sinch) | VoIP |
| 307-431 | Verizon Wireless | Wireless |
| 307-432 | Qwest Corporation | Landline |
| 307-433 | Qwest Corporation | Landline |
| 307-434 | Onvoy (Sinch) | VoIP |
| 307-435 | T-Mobile | Wireless |
| 307-436 | Qwest Corporation | Landline |
| 307-437 | Rt Communications | Landline |
| 307-438 | Verizon Wireless | Wireless |
| 307-439 | Lumen (Level 3) | VoIP |
| 307-440 | Bresnan Broadband Of Wyoming, LLC - Wy [Charter] | Landline |
| 307-441 | Verizon Wireless | Wireless |
| 307-442 | Onvoy (Sinch) | VoIP |
| 307-443 | Commio | Landline |
| 307-444 | All West/Wyoming | Landline |
| 307-445 | Onvoy (Sinch) | VoIP |
| 307-446 | Onvoy (Sinch) | VoIP |
| 307-447 | Lumen (Level 3) | VoIP |
| 307-448 | Verizon Wireless | Wireless |
| 307-449 | AT&T Mobility | Wireless |
| 307-450 | Union Telephone Company | Landline |
| 307-451 | Vonage | VoIP |
| 307-452 | Onvoy (Sinch) | VoIP |
| 307-453 | Onvoy (Sinch) | VoIP |
| 307-454 | Onvoy (Sinch) | VoIP |
| 307-455 | Dubois Tel. Exch. | Landline |
| 307-456 | Lumen (Level 3) | VoIP |
| 307-457 | Rt Communications | Landline |
| 307-458 | Boost Mobile | Landline |
| 307-459 | Lumen (Level 3) | VoIP |
| 307-460 | Lumen (Level 3) | VoIP |
| 307-461 | Lumen (Level 3) | VoIP |
| 307-462 | Lumen (Level 3) | VoIP |
| 307-463 | Lumen (Level 3) | VoIP |
| 307-464 | Qwest Corporation | Landline |
| 307-465 | Rt Communications | Landline |
| 307-466 | Verizon Wireless | Wireless |
| 307-467 | Rt Communications | Landline |
| 307-468 | Rt Communications | Landline |
| 307-469 | Tri-County Tel. Assn. | Landline |
| 307-471 | AT&T Mobility | Wireless |
| 307-472 | Qwest Corporation | Landline |
| 307-473 | Qwest Corporation | Landline |
| 307-474 | Onvoy (Sinch) | VoIP |
| 307-475 | Telnyx | Landline |
| 307-476 | Onvoy (Sinch) | VoIP |
| 307-477 | Union Telephone Company | Landline |
| 307-478 | T-Mobile | Wireless |
| 307-479 | Onvoy (Sinch) | VoIP |
| 307-480 | AT&T Mobility | Wireless |
| 307-481 | Onvoy (Sinch) | VoIP |
| 307-482 | T-Mobile | Wireless |
| 307-483 | AT&T Mobility | Wireless |
| 307-484 | Wavenation | Landline |
| 307-485 | T-Mobile | Wireless |
| 307-486 | Dubois Tel. Exch. | Landline |
| 307-487 | Verizon Wireless | Wireless |
| 307-488 | Bandwidth.com | VoIP |
| 307-489 | AT&T Mobility | Wireless |
| 307-490 | Spectrum (Charter IP) | Landline |
| 307-496 | Exiant Communications | Landline |
| 307-497 | All West Communications | Landline |
| 307-500 | Onvoy (Sinch) | VoIP |
| 307-507 | Wide Voice | Landline |
| 307-509 | Bandwidth.com | VoIP |
| 307-514 | Spectrum (Charter IP) | Landline |
| 307-520 | Union Telephone Company | Landline |
| 307-522 | Airus | Landline |
| 307-527 | Qwest Corporation | Landline |
| 307-529 | Onvoy (Sinch) | VoIP |
| 307-532 | United Tel Co West - Wy dba Centurylink West | Landline |
| 307-533 | Verizon Wireless | Wireless |
| 307-534 | United Tel Co West - Wy dba Centurylink West | Landline |
| 307-537 | Centurytel Of Wyoming, Inc. dba Centurylink | Landline |
| 307-540 | Union Telephone Company | Landline |
| 307-541 | Union Telephone Company | Landline |
| 307-543 | Qwest Corporation | Landline |
| 307-544 | Rt Communications | Landline |
| 307-545 | Qwest Corporation | Landline |
| 307-547 | Rt Communications | Landline |
| 307-548 | Tri-County Tel. Assn. | Landline |
| 307-549 | Union Telephone Company | Landline |
| 307-554 | Onvoy (Sinch) | VoIP |
| 307-556 | Onvoy (Sinch) | VoIP |
| 307-567 | Union Telephone Company | Landline |
| 307-568 | Tri-County Tel. Assn. | Landline |
| 307-575 | Verizon Wireless | Wireless |
| 307-576 | Columbine Telco dba Silver Star Communications | Landline |
| 307-577 | Qwest Corporation | Landline |
| 307-578 | Qwest Corporation | Landline |
| 307-586 | Tri Tel | Landline |
| 307-587 | Qwest Corporation | Landline |
| 307-600 | Union Telephone Company | Landline |
| 307-620 | Verizon Wireless | Wireless |
| 307-621 | Verizon Wireless | Wireless |
| 307-622 | AT&T Mobility | Wireless |
| 307-624 | AT&T Mobility | Wireless |
| 307-629 | AT&T Mobility | Wireless |
| 307-630 | Verizon Wireless | Wireless |
| 307-631 | Verizon Wireless | Wireless |
| 307-632 | Qwest Corporation | Landline |
| 307-633 | Qwest Corporation | Landline |
| 307-634 | Qwest Corporation | Landline |
| 307-635 | Qwest Corporation | Landline |
| 307-637 | Qwest Corporation | Landline |
| 307-638 | Qwest Corporation | Landline |
| 307-639 | Exiant Communications | Landline |
| 307-640 | AT&T Mobility | Wireless |
| 307-643 | Qwest Corporation | Landline |
| 307-645 | Project Tel. Co. | Landline |
| 307-649 | Rt Communications | Landline |
| 307-650 | Airus | Landline |
| 307-654 | Silver Star Tel Co | Landline |
| 307-655 | Qwest Corporation | Landline |
| 307-660 | AT&T Mobility | Wireless |
| 307-663 | Golden West Tel Coop Inc dba Golden West Telecomm | Landline |
| 307-664 | Tri-County Tel. Assn. | Landline |
| 307-666 | FracTEL | Landline |
| 307-667 | Onvoy (Sinch) | VoIP |
| 307-670 | Verizon Wireless | Wireless |
| 307-672 | Qwest Corporation | Landline |
| 307-673 | Qwest Corporation | Landline |
| 307-674 | Qwest Corporation | Landline |
| 307-675 | Advanced Communications Technology | Landline |
| 307-677 | Verizon Wireless | Wireless |
| 307-679 | Verizon Wireless | Wireless |
| 307-680 | AT&T Mobility | Wireless |
| 307-681 | Advanced Communications Technology | Landline |
| 307-682 | Qwest Corporation | Landline |
| 307-683 | Qwest Corporation | Landline |
| 307-684 | Qwest Corporation | Landline |
| 307-685 | Qwest Corporation | Landline |
| 307-686 | Qwest Corporation | Landline |
| 307-687 | Qwest Corporation | Landline |
| 307-688 | Qwest Corporation | Landline |
| 307-689 | Verizon Wireless | Wireless |
| 307-690 | Verizon Wireless | Wireless |
| 307-696 | AT&T Mobility | Wireless |
| 307-699 | Verizon Wireless | Wireless |
| 307-701 | Union Telephone Company | Landline |
| 307-702 | Union Telephone Company | Landline |
| 307-703 | Union Telephone Company | Landline |
| 307-704 | Union Telephone Company | Landline |
| 307-705 | Union Telephone Company | Landline |
| 307-706 | Union Telephone Company | Landline |
| 307-707 | Union Telephone Company | Landline |
| 307-708 | Union Telephone Company | Landline |
| 307-709 | Union Telephone Company | Landline |
| 307-710 | Union Telephone Company | Landline |
| 307-712 | Union Telephone Company | Landline |
| 307-713 | Union Telephone Company | Landline |
| 307-714 | Union Telephone Company | Landline |
| 307-715 | Union Telephone Company | Landline |
| 307-716 | Union Telephone Company | Landline |
| 307-717 | Union Telephone Company | Landline |
| 307-718 | Union Telephone Company | Landline |
| 307-719 | Union Telephone Company | Landline |
| 307-720 | Union Telephone Company | Landline |
| 307-721 | Qwest Corporation | Landline |
| 307-722 | Union Telephone Company | Landline |
| 307-723 | Union Telephone Company | Landline |
| 307-724 | Union Telephone Company | Landline |
| 307-727 | Union Telephone Company | Landline |
| 307-728 | Union Telephone Company | Landline |
| 307-730 | Union Telephone Company | Landline |
| 307-731 | Union Telephone Company | Landline |
| 307-732 | Qwest Corporation | Landline |
| 307-733 | Qwest Corporation | Landline |
| 307-734 | Qwest Corporation | Landline |
| 307-735 | Qwest Corporation | Landline |
| 307-736 | Range Tel Coop | Landline |
| 307-737 | Range Tel Coop | Landline |
| 307-738 | Rt Communications | Landline |
| 307-739 | Qwest Corporation | Landline |
| 307-740 | Union Telephone Company | Landline |
| 307-741 | Union Telephone Company | Landline |
| 307-742 | Qwest Corporation | Landline |
| 307-744 | Union Telephone Company | Landline |
| 307-745 | Qwest Corporation | Landline |
| 307-746 | Rt Communications | Landline |
| 307-747 | Union Telephone Company | Landline |
| 307-749 | Union Telephone Company | Landline |
| 307-750 | Range Tel Coop | Landline |
| 307-751 | AT&T Mobility | Wireless |
| 307-752 | Verizon Wireless | Wireless |
| 307-754 | Qwest Corporation | Landline |
| 307-755 | Qwest Corporation | Landline |
| 307-756 | Rt Communications | Landline |
| 307-757 | Verizon Wireless | Wireless |
| 307-758 | Range Tel Coop | Landline |
| 307-759 | Union Telephone Company | Landline |
| 307-760 | Verizon Wireless | Wireless |
| 307-761 | AT&T Mobility | Wireless |
| 307-762 | Tri-County Tel. Assn. | Landline |
| 307-763 | Verizon Wireless | Wireless |
| 307-764 | Tri Tel | Landline |
| 307-765 | Tri-County Tel. Assn. | Landline |
| 307-766 | Qwest Corporation | Landline |
| 307-770 | All West/Wyoming | Landline |
| 307-771 | Qwest Corporation | Landline |
| 307-772 | Qwest Corporation | Landline |
| 307-773 | Qwest Corporation | Landline |
| 307-774 | AT&T Mobility | Wireless |
| 307-775 | Qwest Corporation | Landline |
| 307-776 | Vonage | VoIP |
| 307-777 | Qwest Corporation | Landline |
| 307-778 | Qwest Corporation | Landline |
| 307-779 | Union Telephone Company | Landline |
| 307-780 | Union Telephone Company | Landline |
| 307-782 | Union Tel. | Landline |
| 307-783 | Qwest Corporation | Landline |
| 307-785 | Onvoy (Sinch) | VoIP |
| 307-786 | Union Tel. | Landline |
| 307-787 | Union Tel. | Landline |
| 307-788 | United Tel Co West - Wy dba Centurylink West | Landline |
| 307-789 | Qwest Corporation | Landline |
| 307-790 | Union Telephone Company | Landline |
| 307-797 | AT&T Mobility | Wireless |
| 307-798 | Union Telephone Company | Landline |
| 307-799 | Union Telephone Company | Landline |
| 307-800 | Onvoy (Sinch) | VoIP |
| 307-823 | AT&T (Teleport Communications) | Landline |
| 307-828 | Qwest Corporation | Landline |
| 307-829 | Lumen (CenturyLink) | Landline |
| 307-834 | United Tel Co West - Wy dba Centurylink West | Landline |
| 307-836 | United Tel Co West - Wy dba Centurylink West | Landline |
| 307-837 | United Tel Co West - Wy dba Centurylink West | Landline |
| 307-840 | Verizon Wireless | Wireless |
| 307-849 | Qwest Corporation | Landline |
| 307-850 | Union Telephone Company | Landline |
| 307-851 | Verizon Wireless | Wireless |
| 307-854 | Advanced Communications Technology | Landline |
| 307-855 | Qwest Corporation | Landline |
| 307-856 | Qwest Corporation | Landline |
| 307-857 | Qwest Corporation | Landline |
| 307-858 | Union Telephone Company | Landline |
| 307-859 | Centurytel Of Wyoming, Inc. dba Centurylink | Landline |
| 307-864 | Rt Communications | Landline |
| 307-867 | Tri-County Tel. Assn. | Landline |
| 307-868 | Tri-County Tel. Assn. | Landline |
| 307-870 | Union Telephone Company | Landline |
| 307-871 | Verizon Wireless | Wireless |
| 307-872 | Qwest Corporation | Landline |
| 307-874 | Union Tel. | Landline |
| 307-875 | Qwest Corporation | Landline |
| 307-876 | Rt Communications | Landline |
| 307-877 | Qwest Corporation | Landline |
| 307-878 | Range Tel Coop | Landline |
| 307-880 | Gold Star Communications | Landline |
| 307-881 | Advanced Communications Technology | Landline |
| 307-883 | Silver Star Tel Co | Landline |
| 307-884 | Union Telephone Company | Landline |
| 307-885 | Silver Star Tel Co | Landline |
| 307-886 | Qwest Corporation | Landline |
| 307-887 | Gold Star Communications | Landline |
| 307-888 | Telnyx | Landline |
| 307-890 | Union Telephone Company | Landline |
| 307-895 | Twilio | VoIP |
| 307-896 | Qwest Corporation | Landline |
| 307-899 | AT&T Mobility | Wireless |
| 307-900 | FracTEL | Landline |
| 307-910 | Onvoy (Sinch) | VoIP |
| 307-920 | T-Mobile | Wireless |
| 307-921 | Verizon Wireless | Wireless |
| 307-922 | Verizon Wireless | Wireless |
| 307-939 | Qwest Corporation | Landline |
| 307-941 | Verizon Wireless | Wireless |
| 307-949 | Verizon Wireless | Wireless |
| 307-977 | Union Telephone Company | Landline |
| 307-990 | Commio | Landline |
| 307-995 | Qwest Corporation | Landline |
| 307-996 | Onvoy (Sinch) | VoIP |
| 307-998 | Onvoy (Sinch) | VoIP |
| 307-999 | Telnyx | Landline |
Line type reflects the registry assignment; ported numbers can differ. Unknown 307 number calling? ActiveArmor® screens it before you ever look it up.
Cities & Communities in and around Area Code 307
Communities the 307 serves, filtered against the numbering registry’s rate centers, with each community’s key ZIP codes and the AT&T home internet available there. Cities link to their local AT&T internet page.
| City / community | Key ZIP codes | AT&T internet |
|---|---|---|
| Buffalo | 82834 | Internet Air |
| Casper | 82644 | Internet Air |
| Cheyenne | 82005, 82007, 82001 | Internet Air |
| Cody | — | Internet Air |
| Douglas | — | Internet Air |
| Evansville | 82644, 82636 | Internet Air |
| Gillette | — | Internet Air |
| Greybull | 82426 | Internet Air |
| Jackson | 83001 | Internet Air |
| Laramie | 82072 | Internet Air |
| Manville | 82227 | Internet Air |
| Mills | 82644 | Internet Air |
| New Castle | — | Check address |
| Powell | 82440 | Internet Air |
| Sheridan | 82801 | Internet Air |
| Wheatland | 82201 | Internet Air |
| Wilson | 83014 | Internet Air |
| Worland | 82401 | Internet Air |
| Wright | 82732 | Internet Air |
City list: AT&T service-area records and the public numbering registry. Key ZIPs: U.S. Census data for each community. Internet type: AT&T eligibility data, June 2026. Availability is always confirmed at your exact address.
307 Area Code Map
Area code 307 serves Cheyenne and nearby communities in WY.
↓ Printable PDF
Open the printable 307 map (PDF) · All Wyoming area codes · Home internet in Cheyenne
Counties Covered by the 307 Area Code
Counties are served in whole or in part; population is U.S. Census Bureau ACS 2023. The 307 also reaches parts of Sheridan County, Park County, Teton County, Converse County, Big Horn County, Platte County, Johnson County, Washakie County and 2 more.
Area Code 307: More Than a Number in Cheyenne
In Cheyenne, the 307 is more than digits on a caller ID. It’s one of the original area codes of 1947, and it has meant Cheyenne and surrounding communities ever since — 497 carrier prefixes keep its lines busy today, and an established 307 number still says you’ve been here a while.
The map tells its own story: Cheyenne and surrounding communities, with no overlay on its territory. The area and the code are still one and the same — rare in Wyoming and getting rarer nationwide.
Keeping a 307 matters here. An existing 307 number ports to a new phone, a new carrier, or a new AT&T line, and stays yours anywhere in the U.S.
Need a new local number? Shop plans Keep your 307: bring it to AT&TInternet, wireless & stores in the 307
AT&T Home Internet in Area Code 307
AT&T home internet serves communities across area code 307, with AT&T Fiber where it’s built and AT&T Internet Air covering the gaps. Availability is decided address by address; every community in the table above links to its local internet page.
AT&T Fiber: Ltd. avail/areas. Speeds based on wired connection. Actual speeds vary. For 5-GIG, single device wired speed maximum 4.7Gbps. For more info., visit att.com/speed101. AT&T Internet Air: AT&T Internet Air not available in all areas. In rare cases, if your usage is contributing to congestion on the network, AT&T will greatly reduce your speed for a minimum of 30 min.
Pair it with wireless in an internet + wireless bundle. Run a business in the 307? AT&T Business Internet is available at many addresses.
Moving to Area Code 307?
Set up home internet in area code 307 before the boxes arrive, and find your new community in the table above or check your exact address below.
Your number moves with you: port your 307 number from anywhere, or keep your old number when you arrive. An AT&T store nearby can handle the whole switch in one visit.
AT&T Wireless in Area Code 307
AT&T’s 5G network covers most of area code 307. ActiveArmor® spam blocking is included with every unlimited plan, your 307 number stays yours, and great cell phone deals in Cheyenne are a tap away.
AT&T may temporarily slow data speeds if the network is busy. 5G req’s compatible plan & device. Coverage not available everywhere. Learn more at att.com/5Gforyou.
Need a new 307 number? Ask when you activate a line, and porting an existing 307 number keeps it yours.
AT&T Stores in Area Code 307
Looking for cell phone stores in area code 307? These stores answer on 307 numbers — walk in for switching, porting, upgrades and hands-on help:
Every AT&T store in the region, company owned and authorized retailer alike, each with its own store page.
All AT&T Stores with 307 Numbers
Every store below answers on a 307 number. Tap any number to call.
International Calling from Area Code 307
Calling abroad from area code 307? AT&T International Calling adds discounted or unlimited rates to 200+ countries on top of your existing plan, and unlimited texting from the U.S. to 200+ destinations is already included on AT&T unlimited plans.
Top places of birth among foreign-born residents of the 307’s counties, U.S. Census Bureau ACS 2023.
Calling abroad from a 307 number: dial 011 + country code + number (or just + on a mobile). Traveling abroad instead? International Day Pass® takes your talk, text and data with you for a flat daily rate.
International Calling and International Day Pass® availability, rates and included destinations vary by plan; see att.com for the current country list.
307 Area Code Quick Facts & Dialing
How to dial a 307 number
| Scenario | Format | Example |
|---|---|---|
| Local call (within the region) | 307 + 7-digit number | (307) 555-0100 |
| Long distance (within the U.S.) | 1 + 307 + 7-digit number | 1 (307) 555-0100 |
| Calling 307 from another country | +1 307 + 7-digit number | +1 307 555 0100 |
| From a mobile phone | (307) + 7-digit number | (307) 555-0100 |
A Short History of Area Code 307
One of the original area codes of 1947, the 307 has served Cheyenne and surrounding communities from the beginning. No splits or overlays have divided its territory since.
In service since 1947, with no overlay on its territory today.
Nearby & Related Area Codes
Browse area codes by state: Wyoming (1) · California (41) · Texas (29) · Florida (23) · all 50 states ›
