North American Numbers Source-cited · ownership disclosed
Area code
915
In service
United States · since 1947

El Paso

One of the original 1947 codes; today reduced to far-west Texas around El Paso after decades of splits. Not from 214.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
El Paso
Type
geographic
Status
in service
In service since
1947
Projected exhaust
2080 Q1

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 915 is

Far West Texas: El Paso and the surrounding El Paso, Hudspeth and Culberson counties.

Communities served wholly or partly by 915:

El PasoAnthonyCanutilloClintFabensHorizon CitySocorroVan Horn

Representative; El Paso dominates. Present service area is essentially metro El Paso plus far-west rural counties.

B · Relationships

How it relates to other codes

The codes 915 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?

Spawned · 1957 806 Amarillo 806 (Panhandle/South Plains) was flash-cut from the northwestern portion of 915 in 1957.
Spawned · 2003 432 Midland Central Permian Basin portion became 432 in the 2003 three-way split.
Spawned · 2003 325 Abilene Eastern (Abilene/San Angelo) portion became 325 in the same 2003 split.
Spawned · 1953 817 Fort Worth 817 (Fort Worth) was created chiefly from 915 in 1953.
What's changing. Single, non-overlaid area code. Mandatory 10-digit dialing since Oct 24, 2021 (988-driven).
C · History

How 915 got here

1947
Established as one of the original NANP area codes, covering a vast swath of West Texas.
Source: Wikipedia (Area code 915)
1957
Northwestern Panhandle portion flash-cut to form 806.
Source: Wikipedia (Area code 915)
2003-04-05
Three-way split: 432 (central) and 325 (east) created; 915 reduced to the El Paso area.
Source: Wikipedia (Area code 915)
2021-10-24
Mandatory 10-digit dialing effective (988 conflict).
Source: Wikipedia (Area code 915)
D · Capacity

How full it is

Prefixes assigned
390
Prefixes available
410
Thousands-blocks assigned
2,129

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

Compare 915 with another code →
Sources
Wikipedia ↗
Area code 915
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.