North American Numbers Source-cited · ownership disclosed
Area code
738
In service
United States · since 2024

Los Angeles (213/323 overlay)

Area code 738 is an all-services overlay placed on the existing 213/323 numbering plan area covering central Los Angeles, in service since November 1, 2024. It shares the exact geography of 213 and 323.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Los Angeles (213/323 overlay)
Type
geographic
Status
in service
In service since
2024
Projected exhaust
2042 Q3

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

A · Where it is

Where 738 is

Same territory as area codes 213 and 323: central Los Angeles County around downtown Los Angeles, California..

Communities served wholly or partly by 738:

Los AngelesHollywoodEast Los Angeles

Overlay shares the 213/323 footprint; city list is representative.

B · Relationships

How it relates to other codes

The codes 738 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?

Overlay · 2024 213 Downtown Los Angeles Overlaid on the 213/323 area; in service November 1, 2024.
Overlay · 2024 323 Los Angeles (around downtown core) Overlaid on the 213/323 area; in service November 1, 2024.
What's changing. All-services overlay on 213/323; ten-digit dialing required (re-check against NANPA for latest status).
C · History

How 738 got here

2024-11-01
Area code 738 activated as a third all-services overlay on 213/323 (re-check against NANPA).
Source: Wikipedia
D · Capacity

How full it is

Prefixes assigned
40
Prefixes available
760
Thousands-blocks assigned
194

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

Compare 738 with another code →
Sources
Wikipedia ↗
Area codes 213 and 323
NumberResearch.org ↗
Live status, dates, assignment counts and exhaust forecast — data as of 2026-09-18 (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.