ZIP Code 78664 is located in the county of Williamson in the state of Texas. 78664 ZIP Code is spread between the coordinates of +30.5073279 Latitude and -97.64974773 Longitude. 78664 ZIP Code is part of the 512 area code. There is 1 postal office in zip code 78664.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 78664. Always when you mail a package or a letter, be attentive to mention the preferred or acceptable cities. Using any city in the list of unacceptable cities may result in unforseen delays.