OLD ROUND ROCK Zip Code (TX)

The Zipcode for Old Round Rock is 78664. Old Round Rock is in Williamson, Texas in the South Central region of the USA. It is located about 21 miles north-northeast of TX's capital city of Austin.

• Same zip code Suburbs Round Rock, Three Point

• Other Locations near Old Round Rock TX
    Austin, Brushy Creek, Cedar Park, Dell Computers, Georgetown, Hutto, Jollyville, Jonah, Mc Neil, Mcneil, Monadale, Pflugerville, Round Rock

• Qpzm Zip Codes Texas Suburb of the Day: Texline -> Dallam -> Texas