512
Covers Austin, Texas
One of the original area codes of 1947
Overlay with 737
City facts
Georgetown area codes
Area codes for Austin, Texas: history, overlays and how to dial.
512737
Georgetown uses area codes 512 and 737. Because more than one area code serves the same area, local calls need all ten digits.
About these area codes
737
Covers Austin, Texas
In service since 2013
Overlay with 512
How to call a number in Georgetown
Inside the US
1 (512) 555-0123Dial 1, the area code, then the seven-digit number.Local call
(512) 555-0123Overlay area: always include the area code.From outside the US
+1 512 555 0123Use your country's exit code or +, then 1 for the US.Georgetown is on Central Time (CT); check the time before calling from another zone.
Other cities that share these codes
Nearby area codes
| Area code | Used in | Distance |
|---|---|---|
| 254 | Killeen | 30 mi |
Georgetown quick facts
Georgetown was founded in 1848 and incorporated in 1866. It is named for George Washington Glasscock.
Founded1848
Incorporated1866
CountyWilliamson CountyTexas
Area codes512, 737Population78,803Census ACS estimateZIP codes378626, 78628, 78633Elevation755 ft230 m
Time zoneCentral TimeCT
Dates, namesake and elevation from Wikipedia: Georgetown, Texas and Wikidata (checked 2026-11-08); population and ZIP codes from the U.S. Census Bureau.
Questions
What area code is Georgetown?
Georgetown uses area codes 512 and 737. Because more than one area code serves the same area, local calls need all ten digits.
When did area code 512 start?
Area code 512 is one of the original North American area codes of 1947.
When did area code 737 start?
Area code 737 dates from 2013.
Do I need to dial the area code for local calls in Georgetown?
Yes. 512 and 737 share the same area as an overlay, so every local call needs the area code plus the seven-digit number (ten digits).
What time zone is area code 512 in?
Georgetown is on Central Time (CT).
What other cities use area code 512?
Other cities in this network that share 512 and 737 include Cedar Park, Austin.
Sources: Area codes 512 and 737, Area codes 512 and 737 (Wikipedia) and Wikidata, checked 2026-11-08. Numbering plans change; the North American Numbering Plan Administrator is the official record.