Prefix 617-279 — Boston, MA
617-279 identifies a block of numbers in Boston, MA, within the 617 area code. Every US prefix is tied to exactly one rate center; this one is Boston.
The rate center lies in the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area. The serving LATA is 128. Local time follows the Eastern zone.
Treat the on-screen number as a hint, not evidence — 617-279 can be spoofed like any US prefix. If a call feels off, verify through an official callback number and file a complaint with the FCC or FTC.
Code-holder of record: MCIMETRO ACCESS TRANSMISSION SERVICES LLC (OCN 7229). The prefix is pooled: its ten thousands-blocks can be shared among several carriers, so different 617-279 numbers may be served by different companies.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 617-276 | Hyde Park | RCN TELECOM SERVICES, INC. - MA |
| 617-277 | Brookline | VERIZON NEW ENGLAND INC. |
| 617-278 | Brookline | VERIZON NEW ENGLAND INC. |
| 617-280 | Cambridge | NEP, LLC |
| 617-281 | Waltham | NEW CINGULAR WIRELESS PCS, LLC - DC |
| 617-282 | Dorchester | VERIZON NEW ENGLAND INC. |
FAQ
Where is 617-279 located?
The prefix is assigned to the Boston rate center in MA, area code 617. It is part of the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area.
Which company owns 617-279 numbers?
MCIMETRO ACCESS TRANSMISSION SERVICES LLC holds the code, but the prefix is pooled — individual thousands-blocks can be assigned to other carriers, and numbers may be ported to any provider.
Is a call from 617-279 safe to answer?
The prefix itself says nothing about the caller. Legitimate Boston businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.