909
Area code
CA
United States geographic area code, in service since 1992-11-14. Part of the 840/909 overlay complex — ten-digit dialing required.
Split from 714. Created 951. Created 840. Overlaid with 840 .
Statusin service
Introduced1992-11-14
JurisdictionCA, US
Local dialing1+10D
Time zonePacific
Last verified2026-09-17
Utilization 101% of assignable prefixes assigned
As of 09/17/2026
0%800 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 2001-01-17, most recent 2025-10-09.
Area codes serve rate-center geographies, not municipal boundaries. “CA” identifies the jurisdiction, not an exact city footprint.
Top assignees
Ranked by assigned prefixes · initial assignee ≠ current carrier| Rank | Assignee | Prefixes | Share |
|---|---|---|---|
| 01 | FRONTIER CALIFORNIA INC. | 156 | 19.5% |
| 02 | T-MOBILE USA, INC. | 87 | 10.9% |
| 03 | NEW CINGULAR WIRELESS PCS, LLC | 75 | 9.4% |
| 04 | CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA | 72 | 9% |
| 05 | METROPCS NETWORKS, LLC | 52 | 6.5% |
| 06 | PACIFIC BELL | 47 | 5.9% |
| 07 | BANDWIDTH.COM CLEC, LLC - CA | 47 | 5.9% |
| 08 | ONVOY, LLC - CA | 34 | 4.3% |
| 09 | U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS | 27 | 3.4% |
| 10 | LEVEL 3 COMMUNICATIONS, LLC - CA | 26 | 3.3% |
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- 1992-11-14Area code 909 entered service (created from 714).
Planning letters & orders
Primary documents| Date | Document | Subject |
|---|---|---|
| 2019-07-23 | PL-529 ↗ | NPA 840 to Overlay 909 (California) |
| 2003-12-12 | PL-334 ↗ | 909 NPA; 2-way Split, Creating 951 NPA California |
| 2000-02-24 | PL-215 ↗ | 909/951 NPA Split Suspended Temporarily (California) |
| 2000-01-14 | PL-206 ↗ | Overlays Suspended in the 408, 415, 510, 650, 714 & 909 NPAs |
| 1999-08-26 | PL-189 ↗ | NANP- Split of 909 Numbering Plan Area (NPA) with 951 NPA and subsequent Overlay of 909 Numbering Plan Area (NPA) with 752 NPA - California |
| 1998-03-02 | PL-115 ↗ | Extraordinary NPA-Specific Jeopardy Conservation Procedures Announced for 909 NPA (California) |
| 1992-02-18 | IL-92-02-022 ↗ | NANP-SPLIT OF 714 (CALIFORNIA) NUMBERING PLAN AREA (NPA) |