Caldwell County ZIP Codes
Texas, United States · 7 codes
Caldwell County in Texas has 7 ZIP codes, from 78616 to 78661, serving 7 places.
ZIP codes in Caldwell
Frequently asked questions
What is the ZIP code of Caldwell?
Caldwell has 7 ZIP codes, from 78616 to 78661. The table lists the places each one serves.
How many places are listed in Caldwell County?
7 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.