NAN North American Numbers Source-cited · ownership disclosed
818

San Fernando Valley

Area code 818 covers the San Fernando Valley and surrounding communities in the northern Los Angeles area, and is overlaid by area code 747.

The essentials Numbering data from NumberResearch · as of 2026-09-17
Place
San Fernando Valley
Type
geographic
Status
in service
In service since
1984
Country
United States

Status, dates and counts are read from NumberResearch (NANPA / CNAC / FCC records), as of 2026-09-17. Assignment records show initial assignees, not the carrier serving a number today.

Where 818 is

San Fernando Valley and adjacent northern Los Angeles County communities.

Communities served wholly or partly by 818:

BurbankGlendaleEncinoWoodland HillsCanoga ParkAgoura Hills

Representative San Fernando Valley communities from secondary sources.

How it relates to other codes

The codes 818 was split from, spawned, or shares its area with. A split divides the map and changes some numbers; an overlay shares the same ground and changes none — what's the difference?

Split from · 1984 213 Downtown & Central LA 818 was split from 213 on January 7, 1984.
Spawned · 1997 626 San Gabriel Valley The eastern San Gabriel Valley portion split off from 818 as 626 on June 14, 1997.
Overlay · 2009 747 747 overlays 818, effective May 18, 2009 (CPUC decision April 24, 2008).

History

1984-01-07
818 created as a split from area code 213.
Source: Wikipedia
1997-06-14
626 (San Gabriel Valley) split off from 818.
Source: Wikipedia
2009-05-18
747 overlay activated over the 818 area.
Source: Wikipedia
What's changing. Active — overlaid by 747 since May 18, 2009 (ten-digit dialing required).

How full it is

Prefixes assigned
794
Prefixes available
6
Projected exhaust
2057 Q2

Prefix-assignment counts describe allocation to carriers, not how many individual numbers are in use. Full technical records: NumberResearch ↗.

Compare 818 with another code →

Sources

Wikipedia ↗
Area codes 818 and 747 — 1984 split, 626 split, 747 overlay (secondary cross-check)
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-17 (CC BY 4.0).

Place, relationships and history above are compiled by North American Numbers from the sources listed and last checked 2026-09-18. A check date is not an expert review — see how this is made. Flag an error.