Area Code 737
Austin, Texas ยท 6:13 AM CDT now
Area code 737 at a glance
| State | Texas |
|---|---|
| Main area | Austin |
| Time zone | Central (CDT, 6:13 AM now) |
| In service since | 2013 (added to the area of 512) |
| Overlay | Yes, with 512 |
| Local dialing | Local calls are dialed with 10 digits (area code + number). |
Cities in area code 737
- Austin
Unwanted-call complaints about 737 numbers
From September 2025 through August 2026, consumers filed 109 complaints with the FCC about unwanted calls or texts from 737 numbers, from 78 different ZIP codes. That ranks 737 #140 of 370 US area codes by how widely it was reported.
- 61% 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 737 FAQ
Where is area code 737?
Area code 737 is assigned to Texas and covers Austin, according to the North American Numbering Plan Administrator (NANPA).
What time zone is area code 737?
Area code 737 is in the Central time zone.
Which area codes overlay 737?
737 shares its territory with 512. 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 737 start?
NANPA lists area code 737 as in service since 2013, when it was added to the area of 512.
Is a call from area code 737 a scam?
The area code alone can't tell you. Caller ID can be faked, so a 737 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.