Prefix 617-297 — Dorchester, MA
- Area code
- 617
- Prefix (NXX)
- 297
- Rate center
- Dorchester
- State
- Massachusetts
- Time zone
- Eastern
- Code holder
- LEVEL 3 COMMUNICATIONS, LLC - MA
- OCN
- 4018
- Pooled
- Yes (thousands-block pooling)
- LATA
- 128
617-297 identifies a block of numbers in Dorchester, MA, within the 617 area code. Every US prefix is tied to exactly one rate center; this one is Dorchester.
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 — 617-297 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.
The assigned code holder is LEVEL 3 COMMUNICATIONS, LLC - MA, operating company number 4018. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 617-294 | Everett | COMCAST IP PHONE, LLC |
| 617-295 | Boston | VERIZON NEW ENGLAND INC. |
| 617-296 | Milton | VERIZON NEW ENGLAND INC. |
| 617-298 | Milton | VERIZON NEW ENGLAND INC. |
| 617-299 | Cambridge | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 617-300 | Cambridge | TC SYSTEMS, INC. |
FAQ
Where is 617-297 located?
The prefix is assigned to the Dorchester rate center in MA, area code 617. It is part of the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area.
Which company owns 617-297 numbers?
LEVEL 3 COMMUNICATIONS, LLC - MA 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 617-297 safe to answer?
The prefix itself says nothing about the caller. Legitimate Dorchester businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.