Phone numbers in Mount Airy, North Carolina
Mount Airy has 15 phone prefixes in area codes 336, 743.
Biggest holders: AT&T Mobility, Brightspeed Of North Carolina, T-Mobile (including Sprint). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 53%
- Local phone company 27%
- Internet / business phone carrier 20%
Every prefix in Mount Airy
Search the first six digits of a number in this list. If it's here, the number started in Mount Airy with the carrier shown. If it isn't, check the North Carolina page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 336-415 | AT&T Mobility | Mobile carrier | 2009 |
| 336-429 | T-Mobile (including Sprint) | Mobile carrier | 2004 |
| 336-648 | UScellular | Mobile carrier | 2002 |
| 336-673 | Charter / Spectrum | Internet / business phone carrier | – |
| 336-710 | AT&T Mobility | Mobile carrier | – |
| 336-719 | Brightspeed Of North Carolina | Local phone company | – |
| 336-755 | AT&T Mobility | Mobile carrier | 2001 |
| 336-756 | AT&T Mobility | Mobile carrier | 2006 |
| 336-783 | Brightspeed Of North Carolina | Local phone company | – |
| 336-786 | Brightspeed Of North Carolina | Local phone company | – |
| 336-789 | Brightspeed Of North Carolina | Local phone company | – |
| 743-212 | Bandwidth | Internet / business phone carrier | 2019 |
| 743-262 | AT&T Mobility | Mobile carrier | 2022 |
| 743-269 | Verizon Wireless | Mobile carrier | 2024 |
| 743-740 | Onvoy | Internet / business phone carrier | 2021 |
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.