Prefix 617-685 — Cambridge, MA
A phone number starting 617-685 was issued in the Cambridge rate center of MA — part of area code 617.
NANPA's central-office code records list MCIMETRO ACCESS TRANSMISSION SERVICES LLC (OCN 7229) as the code holder, assigned January 8, 2018. Because 617-685 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 617-685 without ever touching MA. When in doubt, end the call and reach the company or agency through its official website; unwanted robocalls belong in the FTC's fraud report queue.
Cambridge is part of the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area. For routing purposes it sits in LATA 128. Numbers here keep Eastern time.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 617-682 | Cambridge | YMAX COMMUNICATIONS CORP. - MA |
| 617-683 | Boston | VERIZON NEW ENGLAND INC. |
| 617-684 | Somerville | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 617-686 | Boston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA |
| 617-687 | Quincy | MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
| 617-688 | Kingston | NEW CINGULAR WIRELESS PCS, LLC - DC |
FAQ
Where is 617-685 located?
The prefix is assigned to the Cambridge rate center in MA, area code 617. It is part of the Boston-Cambridge-Newton, MA-NH Metropolitan Statistical Area.
Which company owns 617-685 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 617-685 safe to answer?
The prefix itself says nothing about the caller. Legitimate Cambridge businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.