Karnes County ZIP Codes
Texas, United States · 8 codes
Karnes County in Texas has 8 ZIP codes, from 78111 to 78151, serving 8 places.
ZIP codes in Karnes
Frequently asked questions
What is the ZIP code of Karnes?
Karnes has 8 ZIP codes, from 78111 to 78151. The table lists the places each one serves.
How many places are listed in Karnes County?
8 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.