512 Area Code
Texas, USA
Local time now · Central Time
2:44 AM
Area code 512 is in Texas, USA, serving Austin, Round Rock, San Marcos and Kyle. It uses Central Time — the time there now is 2:44 AM. 737 is an overlay for the same area, so local calls need 10-digit dialing. In service since 1947.
| Area code | 512 |
|---|---|
| Location | Texas, USA |
| Major cities | Austin, Round Rock, San Marcos, Kyle, Lakeway, Jollyville, Lockhart |
| Time zone | Central Time |
| Overlay codes | 737 |
| In service since | 1947 |
Other area codes in Texas
210214254281325346361409430432469621682713726806817830832903915936940945956972979
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Frequently asked questions
Where is area code 512?
Texas, USA — including Austin, Round Rock, San Marcos, Kyle and Lakeway.
What time zone is area code 512?
Central Time.
How do I call a 512 number from abroad?
Dial your international access code, then 1 (the country code), then 512 and the 7-digit number — for example +1 512 555 0100. From the UK or India dial 00 1 512 …; from Bangladesh 00 1 512 … .
Is a call from 512 a scam?
Not by itself — 512 is an ordinary geographic area code in Texas. Numbers can be spoofed, so be careful with unexpected calls asking for money or personal details.
Sources: North American Numbering Plan Administrator (NANPA) NPA database (10/25/2026); major cities from Wikidata (CC0). An area code shows where a number was first assigned — with number portability and mobile phones, the caller may be anywhere.