ZIP Code 78566 is located in the county of Cameron in the state of Texas. 78566 ZIP Code is spread between the coordinates of +26.0884475 Latitude and -97.46650917 Longitude. 78566 ZIP Code is part of the 956 area code. There are 0 postal offices in zip code 78566.
On the below highlighted section you can find the cities which the US Post Office accepts for ZIP code 78566. 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.