ZIP Code 78538 is located in the county of Hidalgo in the state of Texas. 78538 ZIP Code is spread between the coordinates of +26.3319537 Latitude and -97.98081992 Longitude. 78538 ZIP Code is part of the 956 area code. There is 1 postal office in zip code 78538.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 78538. 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.