Ottawa County ZIP Codes
Oklahoma, United States · 10 codes
Ottawa County in Oklahoma has 10 ZIP codes, from 74331 to 74370, serving 10 places.
ZIP codes in Ottawa
Frequently asked questions
What is the ZIP code of Ottawa?
Ottawa has 10 ZIP codes, from 74331 to 74370. The table lists the places each one serves.
How many places are listed in Ottawa 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.