ZIP Code 78140 is located in the county of Gonzales in the state of Texas. 78140 ZIP Code is spread between the coordinates of +29.2860297 Latitude and -97.76842973 Longitude. 78140 ZIP Code is part of the 830 area code. There are 2 postal offices in zip code 78140.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 78140. 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.