Callahan County ZIP Codes
Texas, United States · 4 codes
Callahan County in Texas has 4 ZIP codes, from 76443 to 79510, serving 4 places.
ZIP codes in Callahan
Frequently asked questions
What is the ZIP code of Callahan?
Callahan has 4 ZIP codes, from 76443 to 79510. The table lists the places each one serves.
How many places are listed in Callahan County?
4 places.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.