ZIP Code 78231 is located in the county of Bexar in the state of Texas. 78231 ZIP Code is spread between the coordinates of +29.5686237 Latitude and -98.53692084 Longitude. 78231 ZIP Code is part of the 210 area code. There are 0 postal offices in zip code 78231.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 78231. 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.