Grant County ZIP Codes
Oregon, United States · 10 codes
Grant County in Oregon has 10 ZIP codes, from 97817 to 97873, serving 10 places.
ZIP codes in Grant
Frequently asked questions
What is the ZIP code of Grant?
Grant has 10 ZIP codes, from 97817 to 97873. The table lists the places each one serves.
How many places are listed in Grant County?
10 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.