ZIP Code 78664 – Round Rock, Texas
The 78664 ZIP Code belongs to Round Rock, Texas. The population in this 78664 ZIP code is 62,272. The latitude is 30.50461 and longitude is -97.64583 in 78664 Round Rock, Texas. The time zone for this 78664 ZIP code is America/Chicago.
| City | Round Rock |
| Zip Code | 78664 |
| State | Texas |
| County | Williamson |
| Population | 62,272 |
| Latitude | 30.50461 |
| Longitude | -97.64583 |
| Time Zone | America/Chicago |