North American Numbers Source-cited · ownership disclosed
Area code
903
In service
United States · since 1990

Northeast Texas

Northeastern Texas (Tyler, Longview, Texarkana, Sherman), from the Dallas exurbs to the Oklahoma/Arkansas/Louisiana borders. Split from 214 in 1990; overlaid by 430.

The essentials Numbering data · NumberResearch · as of 2026-09-18
Place
Northeast Texas
Type
geographic
Status
in service
In service since
1990
Projected exhaust
2047 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 903 is

Northeastern Texas, from the Metroplex exurbs to the OK/AR/LA state borders.

Communities served wholly or partly by 903:

TylerLongviewTexarkanaShermanKilgoreDenisonParisMarshall

Representative; region spans ~33 mostly rural counties.

B · Relationships

How it relates to other codes

The codes 903 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 · 1990 214 Dallas 903 was created Nov 4, 1990 in a split from 214.
Overlay · 2003 430 Northeast Texas (overlay) 430 overlaid the identical 903 footprint on Feb 15, 2003.
Related · 1990 214 Dallas Adjacent Dallas-Fort Worth Metroplex complex to the west.
What's changing. Active overlay complex (903/430). Mandatory 10-digit dialing.
C · History

How 903 got here

1990-11-04
Created by a split from 214, taking the eastern portion.
Source: Wikipedia (Area codes 903 and 430)
2003-02-15
Area code 430 added as an overlay of the same territory.
Source: Wikipedia (Area codes 903 and 430)
D · Capacity

How full it is

Prefixes assigned
800
Prefixes available
0
Thousands-blocks assigned
3,162

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

Compare 903 with another code →
Sources
Wikipedia ↗
Area code 903
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.