Polk County ZIP Codes
Nebraska, United States · 4 codes
Polk County in Nebraska has 4 ZIP codes, from 68651 to 68666, serving 4 places.
ZIP codes in Polk
Frequently asked questions
What is the ZIP code of Polk?
Polk has 4 ZIP codes, from 68651 to 68666. The table lists the places each one serves.
How many places are listed in Polk County?
4 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.