Geographic Regions and Area Codes

Area Code 737 serves a significant portion of central Texas, including major cities such as Austin, Georgetown, San Marcos, Round Rock, and Temple. The area code covers approximately 5,000 square miles and includes 38 cities and 11 counties, such as Travis County, Williamson County, and Hays County. The primary area codes serving this region are 512 and 737. Neighboring area codes include:

  • 210 / 726 (San Antonio, TX)
  • 254 (Killeen, TX)
  • 325 (Abilene, TX)
  • 361 (Corpus Christi, TX)
  • 430 / 903 (Tyler, TX)
  • 830 (New Braunfels, TX)
  • 979 (College Station, TX)