432
Area code
Statusin service
Introduced2003-04-05
JurisdictionTX, US
Local dialing7D
Time zoneCentral
Last verified2026-09-17
Utilization 47.5% of assignable prefixes assigned
As of 09/17/2026
0%376 of ~792 assignable NXX values (200–999 excl. N11)100%
Prefix-level assignment does not equal number-level exhaustion; thousands-block pooling extends capacity. First assignment on record 2001-01-05, most recent 2026-07-28.
Area codes serve rate-center geographies, not municipal boundaries. “TX” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | SOUTHWESTERN BELL | 79 | 21% |
| 02 | NEW CINGULAR WIRELESS PCS, LLC - IL | 35 | 9.3% |
| 03 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 32 | 8.5% |
| 04 | ONVOY, LLC - TX | 29 | 7.7% |
| 05 | 26 | 6.9% | |
| 06 | FRACTEL, LLC | 19 | 5.1% |
| 07 | VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW | 16 | 4.3% |
| 08 | LEVEL 3 COMMUNICATIONS, LLC - TX | 15 | 4% |
| 09 | BIG BEND TEL. CO., INC. | 14 | 3.7% |
| 10 | T-MOBILE USA, INC. | 12 | 3.2% |
Important: these are initial assignees from NANPA CO-code records — the carrier a prefix was originally assigned to. Because of number portability, the current serving carrier of any individual number may differ.
Change history
Recorded events for this NPA- 2003-04-05Area code 432 entered service (created from 915).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2002-04-24 | PL-322 ↗ | 915 NPA Split, Creating 432 and 325 NPAs (Texas) |