Niobrara County ZIP Codes
Wyoming, United States · 4 codes
Niobrara County in Wyoming has 4 ZIP codes, from 82222 to 82242, serving 4 places.
ZIP codes in Niobrara
Frequently asked questions
What is the ZIP code of Niobrara?
Niobrara has 4 ZIP codes, from 82222 to 82242. The table lists the places each one serves.
How many places are listed in Niobrara 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.