Routt County ZIP Codes
Colorado, United States · 9 codes
Routt County in Colorado has 9 ZIP codes, from 80428 to 81639, serving 9 places.
ZIP codes in Routt
Frequently asked questions
What is the ZIP code of Routt?
Routt has 9 ZIP codes, from 80428 to 81639. The table lists the places each one serves.
How many places are listed in Routt County?
9 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.