ROCKLAND — MA
Data last updated: June 25, 2026
Area Codes
Top Carriers
| Carrier | OCN | NXX Count |
|---|---|---|
| VERIZON NEW ENGLAND INC. | 9102 | 7 |
| TC SYSTEMS, INC. | 7135 | 2 |
| PAETEC ITEL, LLC | 829J | 2 |
| PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA | 268F | 1 |
| COMCAST IP PHONE, LLC | 318J | 1 |