PORTSMOUTH — NH
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| CONSOLIDATED COMM OF NO. NEW ENGLAND-NH | 5113 | 9 |
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 4 |
| PAETEC ITEL, LLC | 829J | 4 |
| BELL ATLANTIC MOBILE, INC | 6386 | 3 |
| OMNIPOINT MIAMI E LICENSE, LLC | 6889 | 3 |