Polk County ZIP Codes
Oregon, United States · 7 codes
Polk County in Oregon has 7 ZIP codes, from 97304 to 97371, serving 7 places.
ZIP codes in Polk
Frequently asked questions
What is the ZIP code of Polk?
Polk has 7 ZIP codes, from 97304 to 97371. The table lists the places each one serves.
How many places are listed in Polk 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.