Baytown, TX — rate center
- State
- Texas
- Active prefixes
- 56
- Carriers
- 13
- Pooled prefixes
- 47
- LATA
- 560
- Metro area
- Houston-Pasadena-The Woodlands, TX MSA
The Baytown rate center (Texas) anchors 56 active prefixes under area codes 281, 346, 713, 832. Rate centers, not city limits, are what phone numbers are legally tied to.
The rate center currently carries 56 working prefixes across 13 carriers. 47 prefixes participate in thousands-block pooling, so blocks of 1,000 numbers are shared between carriers.
The rate center belongs to the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area. Routing-wise it sits in LATA 560.
Multiple area codes over one rate center (281/346/713/832) is the overlay pattern: same geography, different first three digits.
A Baytown prefix on caller ID is a starting point, not proof of origin — numbers travel with their owners and displays can be spoofed. Use official callback numbers for anything sensitive.
Prefixes anchored to Baytown
| Prefix | Code holder | Pooled |
|---|---|---|
| 713-424 | ONVOY, LLC - TX | Yes |
| 713-903 | ONVOY, LLC - TX | Yes |
FAQ
What area code is Baytown, TX?
Baytown is served by 4 area codes — 281, 346, 713, 832 — which overlay the same territory.
How many prefixes does Baytown have?
56 active NXX prefixes are anchored to this rate center in NANPA records, held by 13 carriers.
Is a call from a Baytown prefix really from Baytown?
Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.