ZIP Code 78017 is located in the county of Frio in the state of Texas. 78017 ZIP Code is spread between the coordinates of +28.6759188 Latitude and -99.17889102 Longitude. 78017 ZIP Code is part of the 830 area code. There is 1 postal office in zip code 78017.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 78017. 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.