Zip code 78590

Zip code 78590, TX

The zip code 78590, type po box, belongs to San Perlita . It is part of the county Willacy County, state of Texas. It has an estimated population of 427.

The postal code 78590 has only one denomination. If you are going to use the postal service be sure to use only those denominations marked as official (San Perlita).