Riley County ZIP Codes
Kansas, United States · 8 codes
Riley County in Kansas has 8 ZIP codes, from 66449 to 66554, serving 8 places.
ZIP codes in Riley
Frequently asked questions
What is the ZIP code of Riley?
Riley has 8 ZIP codes, from 66449 to 66554. The table lists the places each one serves.
How many places are listed in Riley 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.