Prefix 713-251 — Houston, TX
The 713-251 prefix belongs to area code 713 and is anchored to the Houston rate center (TX). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.
Houston is part of the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area. For routing purposes it sits in LATA 560. Numbers here keep Central time.
The assigned code holder is SOUTHWESTERN BELL, operating company number 9533, assigned July 2, 2008. 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 713-251 is not proof the call came from Houston: 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 |
|---|---|---|
| 713-248 | Houston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
| 713-249 | Houston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
| 713-250 | Houston | SOUTHWESTERN BELL |
| 713-252 | Houston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
| 713-253 | Houston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
| 713-254 | Houston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
FAQ
Where is 713-251 located?
The prefix is assigned to the Houston rate center in TX, area code 713. It is part of the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area.
Which company owns 713-251 numbers?
SOUTHWESTERN BELL 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 713-251 safe to answer?
The prefix itself says nothing about the caller. Legitimate Houston businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.