Columbia County ZIP Codes
Pennsylvania, United States · 11 codes
Columbia County in Pennsylvania has 11 ZIP codes, from 17814 to 18631, serving 11 places.
ZIP codes in Columbia
Frequently asked questions
What is the ZIP code of Columbia?
Columbia has 11 ZIP codes, from 17814 to 18631. The table lists the places each one serves.
How many places are listed in Columbia County?
11 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.