Prefix 757-378 — Williamsburg, VA
- Area code
- 757
- Prefix (NXX)
- 378
- Rate center
- Williamsburg
- State
- Virginia
- Time zone
- Eastern
- Code holder
- COMCAST IP PHONE, LLC
- OCN
- 318J
- Pooled
- Yes (thousands-block pooling)
- Assigned
- 2014-09-02
- LATA
- 252
The 757-378 prefix belongs to area code 757 and is anchored to the Williamsburg rate center (VA). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Williamsburg is part of the Virginia Beach-Chesepeake-Norfolk, VA-NC Metropolitan Statistical Area. For routing purposes it sits in LATA 252. Numbers here keep Eastern time.
The assigned code holder is COMCAST IP PHONE, LLC, operating company number 318J, assigned September 2, 2014. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
Caller ID showing 757-378 is not proof the call came from Williamsburg: 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 |
|---|---|---|
| 757-375 | Norfolk Zone 2 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
| 757-376 | Norfolk Zone 2 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
| 757-377 | Norfolk Zone 2 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA |
| 757-379 | Windsor | CORETEL VIRGINIA, LLC - VA |
| 757-380 | Newport News Zone 1 | VERIZON VIRGINIA, INC. |
| 757-381 | Norfolk Zone 3 | TELEPORT COMMUNICATIONS AMERICA, LLC - VA |
FAQ
Where is 757-378 located?
The prefix is assigned to the Williamsburg rate center in VA, area code 757. It is part of the Virginia Beach-Chesepeake-Norfolk, VA-NC Metropolitan Statistical Area.
Which company owns 757-378 numbers?
COMCAST IP PHONE, 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 757-378 safe to answer?
The prefix itself says nothing about the caller. Legitimate Williamsburg businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.