Austin, TX is currently using two area codes which are area codes 512 and 737. Area code 737 is an overlay of area code 512. Area Code 512 was one of four original area codes assigned to Texas in 1947.
In addition to Austin, TX area code 512 and 737 serve the Austin area including a larger part of central Texas which includes the larger cities and communities Austin, Cedar Park, Georgetown, Round Rock, and San Marcos in addition to many smaller communities.
Austin, TX is located in Travis County and observes the Central Time Zone.
View our Times by Area Code tool.