🇺🇸Texas Calling Guide

Texas (TX)
Calling Codes

Need to call Houston, Dallas, or Austin? Texas uses multiple area codes like 713, 214, and 512. Make instant calls to any Texas number directly from your browser with crystal-clear quality.

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How to Call Texas Step-by-Step

Texas is huge, but calling it is simple. Just remember the 10-digit dialing rule.

1

Exit Code

If calling from abroad, dial your country's exit code (e.g., 00 in Europe).

2

US Code (+1)

Dial +1. This is the country code for the United States, including Texas.

3

Area Code + Number

Dial the 3-digit Texas area code followed by the 7-digit number.
Example: +1 713 555 0199

Texas Time Zones

Texas spans two time zones. Make sure you check the time before calling!

Central Time (CT)
Dallas, Houston, Austin, San Antonio
Most of Texas
Mountain Time (MT)
El Paso, Hudspeth County
Far West Texas

Texas Area Codes List

Find the right area code for major Texas cities.

CityRegionArea Codes
HoustonSoutheast713, 281, 832, 346
DallasNorth Texas214, 972, 469, 945
AustinCentral Texas512, 737
San AntonioSouth Central210, 726
Fort WorthNorth Texas817, 682
CityRegionArea Codes
El PasoWest Texas915
ArlingtonNorth Texas817
Corpus ChristiGulf Coast361
PlanoNorth Texas972
LubbockPanhandle806

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Frequently Asked Questions

What is the area code for Houston?

Houston has several area codes due to its size. The original is 713, but 281, 832, and 346 are also widely used. You must dial all 10 digits.

Do I need to dial +1 to call Texas?

Yes, if you are calling from outside the United States. +1 is the country code. If you are already in the US, you just dial the 10-digit number.

What is the time difference in Texas?

Most of Texas is in Central Time (GMT-6, or GMT-5 during Daylight Saving). El Paso is in Mountain Time (GMT-7/GMT-6).

Can I call Texas mobile phones?

Yes, you can call any Texas mobile or landline number. In the US, mobile numbers look exactly the same as landlines (Area Code + 7 digits) and cost the same to call.

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Navigating Texas Phone Codes: Metro Overlay Clusters, Two Time Zones, and Smart Call Timing

In short

Texas has more area codes than any other state, organized as thick overlay clusters over each metro plus wide single codes across the rest. This guide maps the Houston, Dallas, and other clusters, flags the El Paso time zone exception, and gives concrete calling windows from Europe, Asia, and Latin America.

The Big Metro Clusters

Houston is the deepest stack in the state: 713, 281, 832, and 346 all blanket the same metro, so four colleagues in one office can hold four different codes. Dallas works the same way with 214, 972, 469, and the newer 945 layered together.

Fort Worth and Arlington pair 817 with 682, San Antonio runs 210 with its newer 726 overlay, and Austin dials 512 alongside 737. Inside any cluster the specific code carries no geographic meaning anymore, only the vintage of the number.

Overlay vintage hints at a number's age. A 713 mobile has often been held for decades, while 346 and 945 issues are recent. The trivia has one practical use, since long-held numbers are less likely to have been recycled and reassigned to a stranger.

The Wide Open Single Codes

Outside the metros, single codes cover enormous regions. The Panhandle and South Plains, including Amarillo and Lubbock, use 806. Midland and Odessa in the oil patch use 432. The border and Rio Grande Valley, from Laredo through McAllen to Brownsville, run on 956, one of the busiest corridors for calls to and from Mexico.

Corpus Christi and the coastal bend use 361, and East Texas around Tyler runs on 903 with 430 overlaid. When a Texas number is not from a metro cluster, its code usually pins the region precisely. Wichita Falls and the north sit in 940.

El Paso stands apart in more than its clock. The 915 region borders New Mexico and Ciudad Juarez rather than the Texas metros, and its calling patterns, heavy with cross-border family traffic, resemble the 956 Valley corridor more than anything in Dallas or Houston.

Two Clocks in One State

Nearly all of Texas observes Central Time, six hours behind the UK. The exception is El Paso and the far west, which run on Mountain Time with area code 915, one hour earlier than Houston or Dallas. Scheduling a call to El Paso using Houston's clock is a common one hour mistake.

From Latin America the gaps are small: Mexico City matches Central Texas time for much of the year, and Bogota sits one hour ahead. From India, aim for 6:30 pm to 10 pm IST to reach Texas mornings, and from London anything after 3 pm lands in business hours.

Texas observes daylight saving in both of its zones simultaneously. Callers from countries that skip the change, including India and Indonesia, will see the offset move an hour twice a year, so recurring calls need re-anchoring to Texas time each March and November.

Dialing and Paying from Abroad

Every Texas call from overseas follows the same pattern: exit code, then 1, then ten digits. Overlay metros adopted ten-digit local dialing long ago, so numbers are always shared in full. The same ten digits work from every country once the 1 is in front.

Mobiles cost no more than landlines anywhere in the state, and browser calling keeps it simple. StartACall connects over WebRTC in Chrome, Safari, Firefox, or Edge, charges per minute with no subscription or connection fee, and the first call is free.

Frequently asked questions

Why does Houston have four area codes?+

Number demand from the huge metro exhausted 713, so 281, 832, and 346 were overlaid on the same footprint over the years. All four codes cover identical territory and dial the same way.

Is El Paso on the same time as Dallas?+

No. El Paso and the 915 region observe Mountain Time, one hour behind the rest of Texas, which is Central. A 9 am Dallas meeting is 8 am in El Paso.

What code covers the Rio Grande Valley?+

956, which runs from Laredo through McAllen to Brownsville along the Mexican border. It is a single regional code without an overlay. Cross-border calls to Mexico dominate traffic in the region.

Which codes reach Austin?+

512, the original code, and 737, its overlay. Both cover the same Austin metro, so either can appear on a valid Austin number. The two draw from one shared pool of numbers.

Are calls to Texas mobiles priced like landlines?+

Yes. US numbering places mobiles inside ordinary geographic codes, so international per-minute rates are identical for both across every Texas code. That includes every metro overlay and every rural code in the state.

Last reviewed June 2026Reviewed by the StartACall calling teamDialing rules cross checked against ITU international dialing procedures
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