Prefix 713-556 — Houston, TX
A phone number starting 713-556 was issued in the Houston rate center of TX — part of area code 713.
The assigned code holder is SOUTHWESTERN BELL, operating company number 9533, assigned February 7, 2006. This is a pooled prefix — expect numbers within it to be split across more than one carrier in 1,000-number blocks.
A scammer can display 713-556 without ever touching TX. 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.
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.
Neighboring prefixes
| Prefix | Rate center | Code holder |
|---|---|---|
| 713-552 | Houston | SOUTHWESTERN BELL |
| 713-553 | Houston | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 713-554 | Houston | MATRIX TELECOM, LLC. S/I/I TNCI - TX |
| 713-557 | Houston | NEW CINGULAR WIRELESS PCS, LLC - IL |
| 713-558 | Houston | SOUTHWESTERN BELL |
| 713-559 | Houston | MATRIX TELECOM, LLC. S/I/I TNCI - TX |
FAQ
Where is 713-556 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 713-556 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 713-556 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.