Pick 512 if the number should read as Austin.
512 is one of the original codes of 1947. It covers eight Texas counties, among them Travis, Williamson, Hays and Bastrop.
The area codes for Austin are 512 and 737.
Area codes in Austin
Get a phone number with the right area code for Austin.
512 and 737 cover the greater Austin area, from Round Rock and Georgetown in the north to Kyle, Buda and San Marcos in the south.
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Pick 512 for the original Austin code, or 737 for the same area.
Pick 737 if you want the newer Austin code.
737 entered service on July 1, 2013, over the same ground as 512. It works as well for Round Rock, Cedar Park and Lakeway as it does for Austin.
Pick 210 if the number is for San Antonio.
210 was split from 512 in 1992 and covers the San Antonio area, not Austin.
People filed 365 FCC complaints about unwanted calls from Austin area codes in 12 months.
From October 2025 to September 2026, 365 unwanted-call complaints filed with the FCC gave a caller ID number that started with 512 and 737. 512 was named most, on 250 of them (68%).
- 365unwanted-call complaints named a Austin code
- 512was named on the most of them, 250
- 68%of the Austin complaints named 512
Source: Federal Communications Commission, CGB - Consumer Complaints Data (dataset 3xyp-aqkj), issue "Unwanted Calls", read on November 4, 2026. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
This is how you get a Austin number.
- 1
Start your free week.
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- 2
Type the code you picked.
Open Create a number, type the three digits and give the number a name.
- 3
Hand the number out.
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People ask these questions about Austin area codes.
More in the full FAQ.
Yes. 737 is laid over 512 and covers the same greater Austin area. The Public Utility Commission of Texas approved it on June 28, 2012.
Yes. Round Rock, Georgetown, Cedar Park, Leander and Pflugerville are north of Austin, and all of them use 512 and 737.
A local call in Austin is dialed with ten digits, whichever of its codes the number starts with. The area code is part of every number you give out.
From October 2025 to September 2026, people filed 365 FCC complaints about unwanted calls from numbers that start with a Austin code: 512 (250) and 737 (115). A complaint is one person's report. Caller ID can be faked, so a code shows what appeared on the phone, not where the caller was.
Yes. You type the area code you want when you create a number, and you do not need to live in Austin. Calls ring the phone you already have, and texts land in your ExpressNumber inbox.
No. Your numbers are receive-only: they take calls and texts, and they never make them. You answer calls on your own phone, and you cannot reply to a text from the inbox.
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Codes around Austin
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Every fact on this page comes from public numbering records.
The codes, the places and the years are rows of the North American Numbering Plan Administrator's area code database, and the complaints are the FCC's own.
Put a Austin code on a number you can burn.
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