OLD ROUND ROCK, TX ZIP Code
| City | OLD ROUND ROCK |
| State | Texas |
| ZIP Codes count | 1 (see all) |
| Post offices count | 1 (see all) |
ZIP Code in OLD ROUND ROCK, Texas
78664 OLD ROUND ROCK, TX is set as NOT ACCEPTABLE city name for ZIP Code 78664. Use ROUND ROCK, TX for your mailing or form filling.
This list contains only 5-digit ZIP codes. Use our zip code lookup by address feature to get the full 9-digit (ZIP+4) code.
List of OLD ROUND ROCK, TX ZIP Codes
| ZIP | CITY | STATE | TYPE | POPU |
|---|---|---|---|---|
| 78664 | ROUND ROCK | TX | STANDARD | 60,152 |
Post offices
ROUND ROCK — Post Office™ 2250 DOUBLE CREEK DR ROUND ROCK, TX 78664-9998 |
ZIP Codes for other locations
State for OLD ROUND ROCK
Texas ZIP CodesOther cities in Texas