Caldwell County ZIP Codes
Kentucky, United States · 2 codes
Caldwell County in Kentucky has 2 ZIP codes, from 42411 to 42445, serving 2 places.
ZIP codes in Caldwell
Frequently asked questions
What is the ZIP code of Caldwell?
Caldwell has 2 ZIP codes, from 42411 to 42445. The table lists the places each one serves.
How many places are listed in Caldwell County?
2 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.