Prefix 713-537 — Houston, TX
713-537 identifies a block of numbers in Houston, TX, within the 713 area code. Every US prefix is tied to exactly one rate center; this one is Houston.
The rate center lies in the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area. The serving LATA is 560. Local time follows the Central zone.
Treat the on-screen number as a hint, not evidence — 713-537 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 SOUTHWESTERN BELL, operating company number 9533, assigned June 17, 2002. No thousands-block pooling applies here; the whole block belongs to the code holder unless numbers were ported out.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 713-534 | Houston | SOUTHWESTERN BELL |
| 713-535 | Houston | SOUTHWESTERN BELL |
| 713-536 | Houston | SOUTHWESTERN BELL |
| 713-538 | Houston Suburban | SOUTHWESTERN BELL |
| 713-539 | Houston | AERIAL COMMUNICATIONS, INC. |
| 713-540 | Houston | NEW CINGULAR WIRELESS PCS, LLC - IL |
FAQ
Where is 713-537 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 713-537 numbers?
SOUTHWESTERN BELL holds the code. Individual numbers may still be ported to other providers.
Is a call from 713-537 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.