Phone numbers in Cheyenne, Wyoming
Cheyenne has 60 phone prefixes in area code 307.
Biggest holders: CenturyLink / Lumen, Verizon Wireless, Onvoy. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 27%
- Local phone company 30%
- Internet / business phone carrier 37%
- Phone company 7%
Every prefix in Cheyenne
Search the first six digits of a number in this list. If it's here, the number started in Cheyenne with the carrier shown. If it isn't, check the Wyoming page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 307-214 | Verizon Wireless | Mobile carrier | 2003 |
| 307-220 | T-Mobile (including Sprint) | Mobile carrier | – |
| 307-221 | T-Mobile (including Sprint) | Mobile carrier | – |
| 307-222 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 307-256 | MetroPCS (T-Mobile) | Mobile carrier | 2004 |
| 307-263 | Csc Wireless | Mobile carrier | 2019 |
| 307-274 | MCImetro (Verizon Business) | Internet / business phone carrier | 2004 |
| 307-275 | Verizon Wireless | Mobile carrier | 2005 |
| 307-286 | Verizon Wireless | Mobile carrier | 2004 |
| 307-287 | Verizon Wireless | Mobile carrier | 2006 |
| 307-289 | Comcast | Internet / business phone carrier | 2023 |
| 307-292 | Hd Carrier | Internet / business phone carrier | 2020 |
| 307-310 | Onvoy | Internet / business phone carrier | 2019 |
| 307-316 | Onvoy | Internet / business phone carrier | 2006 |
| 307-317 | Onvoy | Internet / business phone carrier | 2017 |
| 307-346 | Boost / Virgin Mobile | Mobile carrier | 2021 |
| 307-365 | AT&T Mobility | Mobile carrier | 2008 |
| 307-369 | Charter / Spectrum | Internet / business phone carrier | 2011 |
| 307-400 | Terra Nova Telecom | Internet / business phone carrier | 2020 |
| 307-412 | AT&T (local phone) | Local phone company | 2022 |
| 307-414 | Airus | Phone company | 2015 |
| 307-415 | Nuso | Internet / business phone carrier | 2023 |
| 307-421 | Verizon Wireless | Mobile carrier | – |
| 307-426 | Charter / Spectrum | Internet / business phone carrier | 2007 |
| 307-432 | CenturyLink / Lumen | Local phone company | – |
| 307-433 | CenturyLink / Lumen | Local phone company | – |
| 307-443 | Commio | Internet / business phone carrier | 2019 |
| 307-459 | Level 3 (Lumen) | Internet / business phone carrier | 2002 |
| 307-475 | Telnyx | Internet / business phone carrier | 2016 |
| 307-477 | Union Telephone | Local phone company | – |
| 307-484 | Wavenation | Phone company | 2026 |
| 307-507 | Wide Voice | Phone company | 2025 |
| 307-509 | Bandwidth | Internet / business phone carrier | 2008 |
| 307-514 | Charter / Spectrum | Internet / business phone carrier | – |
| 307-529 | Onvoy | Internet / business phone carrier | 2009 |
| 307-630 | Verizon Wireless | Mobile carrier | – |
| 307-631 | Verizon Wireless | Mobile carrier | – |
| 307-632 | CenturyLink / Lumen | Local phone company | – |
| 307-633 | CenturyLink / Lumen | Local phone company | – |
| 307-634 | CenturyLink / Lumen | Local phone company | – |
| 307-635 | CenturyLink / Lumen | Local phone company | – |
| 307-637 | CenturyLink / Lumen | Local phone company | – |
| 307-638 | CenturyLink / Lumen | Local phone company | – |
| 307-640 | AT&T Mobility | Mobile carrier | – |
| 307-650 | Airus | Phone company | – |
| 307-666 | Fractel | Internet / business phone carrier | 2019 |
| 307-701 | Union Telephone | Local phone company | 2002 |
| 307-757 | Verizon Wireless | Mobile carrier | – |
| 307-771 | CenturyLink / Lumen | Local phone company | – |
| 307-772 | CenturyLink / Lumen | Local phone company | – |
| 307-773 | CenturyLink / Lumen | Local phone company | – |
| 307-775 | CenturyLink / Lumen | Local phone company | – |
| 307-777 | CenturyLink / Lumen | Local phone company | – |
| 307-778 | CenturyLink / Lumen | Local phone company | – |
| 307-823 | Teleport Communications America Wy-llc | Internet / business phone carrier | 2012 |
| 307-829 | CenturyLink / Lumen | Local phone company | 2014 |
| 307-895 | Twilio | Internet / business phone carrier | 2022 |
| 307-910 | Onvoy | Internet / business phone carrier | 2021 |
| 307-920 | T-Mobile (including Sprint) | Mobile carrier | – |
| 307-996 | Onvoy | Internet / business phone carrier | – |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.