Prefix 713-949 — Richmond-rosenberg, TX

NANPA CO code assignment, current as of July 28, 2026.

The 713-949 prefix belongs to area code 713 and is anchored to the Richmond-rosenberg rate center (TX). In NANP terms, the prefix — or NXX — determines the rate center a number is billed against.

Richmond-rosenberg 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 ONVOY SPECTRUM, LLC, operating company number 624H, assigned September 2, 2025. 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 713-949 is not proof the call came from Richmond-rosenberg: 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

FAQ

Where is 713-949 located?

The prefix is assigned to the Richmond-rosenberg rate center in TX, area code 713. It is part of the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area.

Which company owns 713-949 numbers?

ONVOY SPECTRUM, 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 713-949 safe to answer?

The prefix itself says nothing about the caller. Legitimate Richmond-rosenberg businesses and spoofed robocalls can both display it. Never share personal data with an unverified inbound caller.