ZIP code 78664 is located in Round Rock, Texas. This area is part of the TX postal region.
Round Rock is served by ZIP code 78664. The timezone for this area is America/Chicago.
78664 Overview
Round Rock, Texas
ZIP BOUNDARY
Geographic Information
STATE
Texas (TX)
CITY
Round Rock
TIMEZONE
America/Chicago
COORDINATES
30.5046, -97.6458
About ZIP Code 78664
Frequently Asked Questions
What city is ZIP code 78664 in?
78664 is in Round Rock, Texas.
What state is 78664 in?
ZIP code 78664 is in Texas (TX).
What is the timezone for 78664?
The timezone is America/Chicago.
Data Disclaimer
Data is for informational purposes only. Please verify through official sources like USPS.