Westfield, TX — rate center

NANPA rate center & CO code data, current as of July 28, 2026.

State
Texas
Area codes
281, 346, 713, 832
Active prefixes
26
Carriers
9
Pooled prefixes
20
LATA
560
Metro area
Houston-Pasadena-The Woodlands, TX MSA

In NANP numbering, Westfield, Texas is a rate center — the anchor point for local numbers. It is reached through 281, 346, 713, 832 (multiple area codes serve it).

The rate center currently carries 26 working prefixes, held by 9 different carriers. Pooling applies to 20 of them — individual thousands-blocks may belong to different companies.

The rate center belongs to the Houston-Pasadena-The Woodlands, TX Metropolitan Statistical Area. Routing-wise it sits in LATA 560.

Because 281, 346, 713, 832 all serve this territory, two Westfield numbers can look completely different while being neighbors — check the prefix, not just the area code.

A Westfield 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 Westfield

Prefixes anchored to the Westfield rate center
PrefixCode holderPooled
713-879 SOUTHWESTERN BELL Yes

FAQ

What area code is Westfield, TX?

Westfield is served by 4 area codes — 281, 346, 713, 832 — which overlay the same territory.

How many prefixes does Westfield have?

26 active NXX prefixes are anchored to this rate center in NANPA records, held by 9 carriers.

Is a call from a Westfield prefix really from Westfield?

Not necessarily. The prefix marks where the number block was issued; porting, VoIP and spoofing all detach calls from that geography.