North American Numbers Source-cited · ownership disclosed
Area code
956
In service
United States · since 1997

Laredo

A single area code for the Rio Grande Valley and Laredo along the U.S.-Mexico border. Split from 210 in 1997.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Laredo
Type
geographic
Status
in service
In service since
1997
Projected exhaust
2029 Q2

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 956 is

South Texas: the Lower/Middle Rio Grande Valley and Laredo (U.S.-Mexico border).

Communities served wholly or partly by 956:

LaredoMcAllenBrownsvilleHarlingenEdinburgMissionPharrRio Grande City

Representative; covers eight counties (Cameron, Hidalgo, Jim Hogg, La Salle, Starr, Webb, Willacy, Zapata).

B · Relationships

How it relates to other codes

The codes 956 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 · 1997 210 San Antonio 956 was created May 25, 1997 in a split of 210 (in service July 7, 1997).
Related · 1997 830 New Braunfels 830 split off from 210 in the same 1997 relief action.
What's changing. Single, non-overlaid area code; NANPA projects relief around 2027. Code-specific 10-digit-dialing date UNVERIFIED (statewide 988 transition applied by Oct 2021).
C · History

How 956 got here

1997-05-25
Created in a split of NPA 210 (in service July 7, 1997), serving the Rio Grande Valley and Laredo.
Source: Wikipedia (Area code 956)
D · Capacity

How full it is

Prefixes assigned
753
Prefixes available
47
Thousands-blocks assigned
4,492

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

Compare 956 with another code →
Sources
Wikipedia ↗
Area code 956
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.