Phone numbers in Medfield, Massachusetts
Medfield has 6 phone prefixes in area codes 508, 774.
Biggest holders: Verizon (local phone), MCImetro (Verizon Business), Airus. This is the local calling area (rate center) where those prefixes were first assigned.
- Local phone company 33%
- Internet / business phone carrier 50%
- Phone company 17%
Every prefix in Medfield
Search the first six digits of a number in this list. If it's here, the number started in Medfield with the carrier shown. If it isn't, check the Massachusetts page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 508-242 | Verizon (local phone) | Local phone company | – |
| 508-359 | Verizon (local phone) | Local phone company | – |
| 508-906 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 774-403 | Airus | Phone company | 2019 |
| 774-469 | Bandwidth | Internet / business phone carrier | 2001 |
| 774-748 | TON80 Communications | Internet / business phone carrier | 2022 |
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.