Area Code 512
Austin, Texas ยท 6:12 AM CDT now
Area code 512 at a glance
| State | Texas |
|---|---|
| Main area | Austin |
| Time zone | Central (CDT, 6:12 AM now) |
| In service since | 1947 (one of the original North American area codes) |
| Overlay | Yes, with 737 |
| Local dialing | Local calls are dialed with 10 digits (area code + number). |
Cities in area code 512
- Austin
Unwanted-call complaints about 512 numbers
From September 2025 through August 2026, consumers filed 231 complaints with the FCC about unwanted calls or texts from 512 numbers, from 120 different ZIP codes. That ranks 512 #48 of 370 US area codes by how widely it was reported.
- 76% of these complaints were filed from Texas.
Source: FCC Consumer Complaints Data. Complaints are not verified by the FCC, and caller ID can be spoofed, so a complaint does not mean the caller was really in Texas. See the area codes most reported for unwanted calls for our method.
Other Texas area codes
Area code 512 FAQ
Where is area code 512?
Area code 512 is assigned to Texas and covers Austin, according to the North American Numbering Plan Administrator (NANPA).
What time zone is area code 512?
Area code 512 is in the Central time zone.
Which area codes overlay 512?
512 shares its territory with 737. In an overlay, numbers from all these codes are assigned in the same area, so local calls need the area code.
When did area code 512 start?
512 is one of the original area codes of the North American Numbering Plan, created in 1947.
Is a call from area code 512 a scam?
The area code alone can't tell you. Caller ID can be faked, so a 512 number may not come from Texas at all. Let unknown calls go to voicemail and never call back a number you don't recognize just to find out who it was.
Area code data: NANPA NPA report (file dated 09/28/2026). Times are shown at page load.