945
Area code
TX
United States geographic area code, in service since 2021-01-15. Part of the 214/469/945/972 overlay complex — ten-digit dialing required.
Statusin service
Introduced2021-01-15
JurisdictionTX, US
Local dialing10D
Time zoneCentral
Last verified2026-09-17
Utilization 39.3% of assignable prefixes assigned
As of 09/17/2026
0%311 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 2020-11-17, most recent 2026-09-16.
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 | T-MOBILE USA, INC. | 53 | 17% |
| 02 | ONVOY, LLC - TX | 52 | 16.7% |
| 03 | NEW CINGULAR WIRELESS PCS, LLC - IL | 43 | 13.8% |
| 04 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX | 26 | 8.4% |
| 05 | FRACTEL, LLC | 20 | 6.4% |
| 06 | TELEPORT COMMUNICATIONS AMERICA, LLC - TX | 12 | 3.9% |
| 07 | BANDWIDTH.COM CLEC, LLC - TX | 12 | 3.9% |
| 08 | TON80 COMMUNICATIONS, LLC | 11 | 3.5% |
| 09 | USFON, INC. - TX | 10 | 3.2% |
| 10 | MULTIPLE OCN LISTING | 9 | 2.9% |
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- 2020-04-08 NPA 945 to Overlay 214/469/972 (Texas) other
- 2021-01-15Area code 945 entered service (created from 214).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2020-04-08 | PL-537 ↗ | NPA 945 to Overlay 214/469/972 (Texas) |