Area code 743: where it is and who calls from it
Area code 743 is in North Carolina.
North Carolina (the Piedmont Triad, Wilkesboro, Roxboro, and most of northwestern North Carolina)
| Where | North Carolina |
|---|---|
| Time zone | Eastern Time ยท local time |
| In service since | 2016 |
| Overlay | Yes, with 336 |
| Prefixes assigned | 161 of 792 possible (20%) |
Overlay: 743 covers the same area as 336. Overlay areas use 10-digit dialing, so a seven-digit number alone won't connect, and neighbors can have different area codes.
Where 743 numbers started
Every prefix is assigned to a rate center, the local calling area it was set up in. These are the biggest in 743, with how many prefixes each has.
Plus 6 smaller rate centers.
Who holds 743 numbers
- Mobile carrier 21%
- Internet / business phone carrier 75%
- Phone company 4%
| Carrier | Type | Prefixes | Share |
|---|---|---|---|
| Onvoy | Internet / business phone carrier | 46 | 29% |
| TON80 Communications | Internet / business phone carrier | 21 | 13% |
| Verizon Wireless | Mobile carrier | 13 | 8% |
| Fractel | Internet / business phone carrier | 11 | 7% |
| Bandwidth | Internet / business phone carrier | 10 | 6% |
| Charter / Spectrum | Internet / business phone carrier | 7 | 4% |
| MetroPCS (T-Mobile) | Mobile carrier | 7 | 4% |
| T-Mobile (including Sprint) | Mobile carrier | 7 | 4% |
| Commio | Internet / business phone carrier | 4 | 2% |
| Level 3 (Lumen) | Internet / business phone carrier | 3 | 2% |
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.
States served: North Carolina.
Other area codes in North Carolina
252 336 472 704 828 910 919 980 984
Got a call from 743?
An area code tells you where a number was first assigned, not where the caller is. People keep their numbers when they move, and scammers can fake any number. If you weren't expecting the call, let it go to voicemail.
If the call shows a 743 number that matches the first six digits of your own, that's often neighbor spoofing. Use the box above to check the full number.
Area code facts from the NANPA area code database (updated 10/06/2026); prefixes and carriers from NANPA's central office code records (updated 2026-10-10). Place description adapted from Wikipedia, CC BY-SA 4.0.