ZIP Code 78040 is located in the county of Webb in the state of Texas. 78040 ZIP Code is spread between the coordinates of +27.5161752 Latitude and -99.49958051 Longitude. 78040 ZIP Code is part of the 956 area code. There are 0 postal offices in zip code 78040.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 78040. 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.