Prefix 713-903 — Baytown, TX
A phone number starting 713-903 was issued in the Baytown rate center of TX — part of area code 713.
NANPA's central-office code records list ONVOY, LLC - TX (OCN 903C) as the code holder, assigned February 5, 2019. Because 713-903 participates in thousands-block pooling, individual 1,000-number blocks may belong to other carriers than the code holder.
A scammer can display 713-903 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.
Baytown 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 |
|---|---|---|
| 713-900 | Houston | LEVEL 3 COMMUNICATIONS, LLC - TX |
| 713-901 | Houston | SPOK, INC. |
| 713-902 | Sugar Land | METROPCS, INC. |
| 713-904 | Houston | TELEPORT COMMUNICATIONS AMERICA, LLC - TX |
| 713-905 | Houston | SPOK, INC. |
| 713-906 | Houston | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX |
FAQ
Where is 713-903 located?
The prefix is assigned to the Baytown rate center in TX, area code 713. It is part of the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area.
Which company owns 713-903 numbers?
ONVOY, LLC - TX 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 713-903 safe to answer?
The prefix itself says nothing about the caller. Legitimate Baytown businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.