Area Code 432

Texas

Area code 432 serves Texas, primarily Midland, in the Central Time (CT) time zone. It was created from a split of area code 915.

Published: Updated:

Split Area Code

This area code was created by splitting an existing area code into separate geographic regions. When a split occurs, some customers in the original area code region are assigned the new area code.

This area code was split from area code 915 (El Paso).

In service since: 05-Apr-2003

Learn more about overlay and split area codes →

Demographics & Economics

Total Population
812,994
Population Density
5 people/sq mi
below U.S. average (U.S.: 93 people/sq mi)
Median Household Income
$71,719
near U.S. median (U.S.: $75,144)
Poverty Rate
12.7%
above U.S. average (U.S.: 11.5%)
Unemployment Rate
4.1%
above U.S. average (U.S.: 3.6%)
Education Attainment
Bachelor's Degree+
22.6%
below U.S. average (U.S.: 33.7%)
High School or Lower
39.6%

Statistics are population-weighted aggregations from Census ACS 5-year estimates. Population figures are approximate — see Sources & Methodology for details on how area code populations are derived.

See how this area code compares to all US area codes in the income ranking and density ranking.

Time Zone

  • Central Time (CT)

NANPA Relief Status

According to the latest NANPA analysis (July 2026), this area code is not currently listed as exhausting within the next 36 months. No relief planning is in progress for this NPA.

Source: NANPA NPA Relief Planning Reports · See all relief planning statuses

Current Time

Central Time (CT)
 
 

Prefix Utilization

Geographic Coverage

State

TX

Major Cities

  • Midland
  • Odessa
  • West Odessa
  • Big Spring
  • Andrews
  • Town of Pecos
  • Fort Stockton
  • Monahans
  • Seminole
  • Alpine
  • Kermit
  • Crane
  • Presidio
  • Stanton
  • Marfa
  • Van Horn
  • McCamey
  • Gardendale
  • Coahoma
  • Iraan
  • Wink
  • Rankin
  • Southwest Sandhill
  • Lindsay

and 24 more cities

Area Code 432 geographic coverage map (light mode)

Historical Timeline of Area Code 432

In 1947, AT&T designated area code 915 as one of the original Texas numbering plan areas, covering a vast stretch of western and central Texas from the Permian Basin to the Trans-Pecos region. For over five decades, 915 served the entire area as a single NPA. Source: Wikipedia — Area codes 432 and 915

By the early 2000s, population growth and increasing telephone demand in the Permian Basin metropolitan area of Midland and Odessa pushed 915 toward exhaustion. The Texas Public Utility Commission petitioned the Federal Communications Commission for relief, and on April 5, 2003, the FCC authorized area code 432 as a geographic split of 915. The new code served the western portion of the former 915 territory, including the cities of Midland, Odessa, Big Spring, and Andrews. Source: Texas PUC

Key milestones:

  • 1947: Area code 915 created as one of the original Texas NPAs, covering western and central Texas
  • 2003: Area code 432 activated on April 5 as a geographic split of area code 915, serving the Permian Basin region including Midland, Odessa, Big Spring, and Andrews.

The split separated the oil-producing Permian Basin from the El Paso-centric eastern portion of the former 915 territory. Existing 915 subscribers retained their numbers, while new assignments in the western region used the 432 prefix.

Regulatory History

Area code 432 resulted from two primary regulatory events spanning 56 years. The original 915 assignment in 1947 and the 2003 geographic split both involved coordination between the Federal Communications Commission and the Texas Public Utility Commission. Source: Texas PUC

Year Event Docket Regulatory Action & Impact
1947 Original NPA Assignment AT&T NANP AT&T assigned 915 as one of the original 86 North American area codes under the North American Numbering Plan, covering western and central Texas. Source: Wikipedia — Area codes 432 and 915
2003 Geographic Split FCC Numbering Order FCC approved the Texas PUC's petition to split 915, creating 432 for the western Permian Basin region. The order required existing 915 subscribers to retain their numbers while new assignments in the western territory used the 432 prefix. Source: Texas PUC

County Coverage

Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 432).

CountyPopulationShare
Midland, TX204,02325.1%
Ector, TX169,68720.9%
Martin, TX80,7319.9%
Glasscock, TX67,7308.3%
Val Verde, TX47,2235.8%
Upton, TX35,8214.4%
Howard, TX34,4254.2%
Borden, TX33,1334.1%
Ward, TX23,7812.9%
Andrews, TX18,5182.3%
Gaines, TX17,2842.1%
Pecos, TX16,9842.1%
Crane, TX15,0311.8%
Reeves, TX13,2401.6%
Brewster, TX9,1651.1%
Winkler, TX7,5400.9%
Presidio, TX6,1670.8%
Crockett, TX3,6170.4%
Culberson, TX2,1590.3%
Hudspeth, TX2,1590.3%
Jeff Davis, TX1,7400.2%
Dawson, TX9620.1%
Terrell, TX9580.1%
Reagan, TX8620.1%
Loving, TX540.0%

Area Code 432 Family Tree

View All Trees

Hover over nodes to see details. Click to navigate to individual area code pages. Use scroll to zoom, drag to pan.

915325432
1
Total Codes
0
Splits
0
Overlays
0
Max Depth

Area code 432 was originally assigned in 05-Apr-2003 to serve TX.

Call Context

Rural geographic area

This area code covers a primarily rural region in TX with low population density. The largest community is Midland.

Nearby Area Codes

Area codes geographically closest to 432.

Other Area Codes in Texas

Area codes that also serve Texas, linked for easy comparison.