Grant County ZIP Codes
Oklahoma, United States · 7 codes
Grant County in Oklahoma has 7 ZIP codes, from 73758 to 74643, serving 7 places.
ZIP codes in Grant
Frequently asked questions
What is the ZIP code of Grant?
Grant has 7 ZIP codes, from 73758 to 74643. The table lists the places each one serves.
How many places are listed in Grant County?
7 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.