PORTSMOUTH — RI
Data last updated: March 10, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| NEW CINGULAR WIRELESS PCS, LLC - DC | 4036 | 3 |
| PAETEC ITEL, LLC | 829J | 2 |
| VERIZON NEW ENGLAND INC. | 9102 | 2 |
| COMCAST IP PHONE, LLC | 318J | 1 |
| THE VOICE APPLICATION NETWORK, LLC | 507J | 1 |