Phone numbers in Rockport, Massachusetts
Rockport has 6 phone prefixes in area codes 351, 978.
Biggest holders: Peerless Network Of Massachusetts, Vonage America, Windstream (PAETEC). This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 17%
- Internet / business phone carrier 83%
Every prefix in Rockport
Search the first six digits of a number in this list. If it's here, the number started in Rockport with the carrier shown. If it isn't, check the Massachusetts page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 351-206 | Peerless Network Of Massachusetts | Internet / business phone carrier | 2013 |
| 351-214 | Vonage America | Internet / business phone carrier | 2019 |
| 978-309 | Windstream (PAETEC) | Internet / business phone carrier | 2003 |
| 978-546 | Verizon (local phone) | Local phone company | – |
| 978-797 | Onvoy | Internet / business phone carrier | 2016 |
| 978-999 | Peerless Network Of Massachusetts | Internet / business phone carrier | 2012 |
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. Source: NANPA central office code records, 2026-10-10.