PIEDMONT — OK
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OK | 409F | 2 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| SOUTHWESTERN BELL | 9533 | 1 |
| FRACTEL, LLC | 965H | 1 |
Data last updated: March 10, 2026
| Carrier | OCN | NXX Count |
|---|---|---|
| ONVOY, LLC - OK | 409F | 2 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| PAETEC ITEL, LLC | 829J | 1 |
| SOUTHWESTERN BELL | 9533 | 1 |
| FRACTEL, LLC | 965H | 1 |