Area code

CA

United States geographic area code, in service since 1951-01-01. Part of the 657/714 overlay complex — ten-digit dialing required. NANPA has flagged this area code for relief planning.

Split from 213. Created 619. Created 909. Created 949. Created 657. Overlaid with 657 .

Statusin service

Introduced1951-01-01

JurisdictionCA, US

Local dialing1+10D

Time zonePacific

ReliefPlanning

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 2001-03-22, most recent 2025-10-09.

Relief planning is under way for area code 714. No planning letter has been issued yet for this cycle — this page will be updated the day one is published. Subscribe to the change-event feed to be notified.

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

Largest initial assignees in area code 714
Rank	Assignee	Prefixes	Share
01	PACIFIC BELL	266	33.3%
02	CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CA	78	9.8%
03	NEW CINGULAR WIRELESS PCS, LLC	72	9%
04	METROPCS NETWORKS, LLC	62	7.8%
05	T-MOBILE USA, INC.	56	7%
06	FRONTIER CALIFORNIA INC.	39	4.9%
07	U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS	29	3.6%
08	SPOK, INC.	23	2.9%
09	MCIMETRO ACCESS TRANSMISSION SERVICES LLC	23	2.9%
10	MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CA	22	2.8%

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

2007-10-03 NPA 657 to Overlay NPA 714 (California) overlay
1996-10-29 Declaration of Jeopardy Situation in NPA 714 (California) jeopardy
1951-01-01Area code 714 entered service (created from 213).

Planning letters & orders

Primary documents

NANPA planning letters for area code 714
Date	Document	Subject
2007-10-03	PL-368 ↗	NPA 657 to Overlay NPA 714 (California)
2000-01-14	PL-206 ↗	Overlays Suspended in the 408, 415, 510, 650, 714 & 909 NPAs
1999-04-22	PL-169 ↗	NANP Overlay of 714 NPA with 657 NPA in Southern California
1998-10-05	PL-137 ↗	Extraordinary Jeopardy Procedures for 714 NPA in California
1997-03-06	PL-044 ↗	NANP-Split of 714 (California) Numbering Plan Area (NPA)
1996-10-29	PL-016 ↗	Declaration of Jeopardy Situation in NPA 714 (California)
1992-02-18	IL-92-02-022 ↗	NANP-SPLIT OF 714 (CALIFORNIA) NUMBERING PLAN AREA (NPA)

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