Texas has more than 30 area codes covering its cities, suburbs, and rural regions — more than almost any other U.S. state. The area code for Texas USA varies by city and region, reflecting the state’s enormous geographic size and rapidly growing population. Whether you are identifying a call, setting up a business phone line, or understanding the Texas phone number system, this guide covers every major Texas area code and the cities each one serves.
Texas Area Codes by Major City
| Area Code | City / Region | Notes |
|---|---|---|
| 214 | Dallas proper | Original 1947 code |
| 972 | Dallas suburbs | Plano, Irving, Garland, Grand Prairie |
| 469 | DFW overlay | Covers 214/972 territory |
| 945 | DFW newest overlay | Most recently added DFW code |
| 713 | Central Houston | Original 1947 code |
| 281 | Houston suburbs | Sugar Land, Pasadena, The Woodlands |
| 832 | Houston overlay | Covers broader Houston metro |
| 346 | Houston overlay | Newest Houston overlay |
| 512 | Austin | Original 1947 code |
| 737 | Austin overlay | Added as Austin population surged |
| 210 | San Antonio | Primary San Antonio code |
| 726 | San Antonio overlay | Added for San Antonio growth |
| 817 | Fort Worth | Covers Fort Worth and Tarrant County |
| 682 | Fort Worth overlay | Overlay for 817 exhaustion |
| 915 | El Paso | West Texas / El Paso region |
| 806 | Lubbock / Amarillo | Texas Panhandle and South Plains |
| 903 | East Texas | Tyler, Texarkana, Longview |
| 936 | East Texas / Huntsville | Nacogdoches, Conroe, Huntsville |
| 409 | Southeast Texas | Beaumont, Port Arthur, Galveston |
| 361 | Corpus Christi | South Texas Gulf Coast |
| 956 | Rio Grande Valley | McAllen, Laredo, Brownsville |
| 325 | Abilene / West Texas | Abilene, San Angelo |
| 432 | Midland / Odessa | Permian Basin, West Texas |
| 254 | Waco / Temple | Central Texas corridor |
| 979 | Bryan / College Station | Brazos Valley, Texas A&M |
| 940 | Wichita Falls / Denton | North Central Texas |
| 830 | Hill Country / Del Rio | Kerrville, New Braunfels, Del Rio |
Why Texas Has So Many Area Codes
Texas originally had just three area codes when the North American Numbering Plan launched in 1947 — 512 covered most of the state, 713 covered Houston, and 214 covered the rest. As the state’s population grew explosively in the second half of the 20th century, phone demand overwhelmed available numbers. Additionally, the arrival of fax machines, pagers, and eventually mobile phones dramatically increased the number of individual lines needed in each market. Consequently, Texas has added new area codes consistently since the 1980s and continues to do so as major metro areas exhaust their number capacity.
How Overlay Area Codes Work in Texas
When a geographic area runs out of available phone numbers, regulators assign an overlay — a new area code covering the same territory as an existing code. In overlay areas, callers must dial all 10 digits even for local calls — 7-digit dialing no longer works. Furthermore, two neighbors in the same building may have different area codes depending on when their numbers were assigned. Dallas uses four codes (214, 972, 469, 945), Houston uses four (713, 281, 832, 346), and Austin uses two (512, 737).
Texas Area Code Quick Reference
If you receive a call from an unfamiliar Texas number, the first three digits after the country code (+1) identify the area code and the region. For a complete searchable lookup, use our Texas area code lookup tool. For ZIP code lookups, visit our Texas ZIP code finder. For more Texas resources, read our Texas county map guide.
Frequently Asked Questions About Texas Area Codes
What is the area code for Texas?
Texas has over 30 area codes. Common ones include 214 and 972 (Dallas), 713 and 281 (Houston), 512 (Austin), 210 (San Antonio), 817 (Fort Worth), and 915 (El Paso).
What area code is 214 in Texas?
Area code 214 covers Dallas proper. It was one of the original area codes established in 1947. The broader Dallas suburbs use 972 and 469, with 945 added as the newest overlay for the DFW area.
What area code is 713 in Texas?
Area code 713 covers central Houston and was established in 1947. The broader Houston metro uses 281, 832, and 346 to accommodate the large number of phone lines required for one of the most populous cities in the U.S.
What area code is 512 in Texas?
Area code 512 covers Austin and Central Texas including Round Rock and Georgetown. It is one of Texas’s original 1947 area codes. Austin’s growth required adding the 737 overlay.
How many area codes does Texas have?
Texas has more than 30 area codes — among the most of any U.S. state. New codes are added as population growth exhausts available numbers in existing codes, particularly in major metro areas.
