South-Central Texas is home to area code 737, an overlay to the established 512 region. Covering cities like Austin, Round Rock, and San Marcos, it was introduced in 2013 to accommodate explosive growth. The region thrives as a tech hub, music capital, and academic center, anchored by the University of Texas and a dynamic start-up culture. A blend of modern innovation and Texan roots defines this vibrant stretch of the Lone Star State.