Zip Area Code

Castro County, Texas

Castro County, Texas, has 4 towns and 4 ZIP codes, in area code 806.

Towns in Castro County, A to Z

TownZIP codesArea codes
Dimmitt79027806
Hart79043806
Nazareth79063806
Summerfield79085806

ZIP codes in Castro County

Area code in Castro County

  • Area code 806

    In service since 1957. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.