Prefix 919-257 — Durham, NC
The 919-257 prefix belongs to area code 919 and is anchored to the Durham rate center (NC). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Durham is part of the Raleigh-Cary, NC Metropolitan Statistical Area. For routing purposes it sits in LATA 426. Numbers here keep Eastern time.
NANPA's central-office code records list TELEPORT COMMUNICATIONS AMERICA, LLC - NC (OCN 8389) as the code holder, assigned July 16, 2001. Because 919-257 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
Caller ID showing 919-257 is not proof the call came from Durham: spoofing and porting both detach numbers from their origin. To verify a caller, hang up and dial the organization's published number, and report suspicious calls to the FTC.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 919-254 | Durham | FRONTIER COMMUNICATIONS OF THE CAROLINAS INC. - NC |
| 919-255 | Raleigh | BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL |
| 919-256 | Raleigh | PAETEC ITEL, LLC |
| 919-258 | Broadway | WINDSTREAM NORTH CAROLINA, INC. |
| 919-259 | Chapel Hill | CENTURYLINK COMMUNICATIONS LLC - NC |
| 919-260 | Chapel Hill | NEW CINGULAR WIRELESS PCS, LLC - GA |
FAQ
Where is 919-257 located?
The prefix is assigned to the Durham rate center in NC, area code 919. It is part of the Raleigh-Cary, NC Metropolitan Statistical Area.
Which company owns 919-257 numbers?
TELEPORT COMMUNICATIONS AMERICA, LLC - NC 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 919-257 safe to answer?
The prefix itself says nothing about the caller. Legitimate Durham businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.