Ottawa County ZIP Codes
Ohio, United States · 16 codes
Ottawa County in Ohio has 16 ZIP codes, from 43408 to 43468, serving 16 places.
ZIP codes in Ottawa
Frequently asked questions
What is the ZIP code of Ottawa?
Ottawa has 16 ZIP codes, from 43408 to 43468. The table lists the places each one serves.
How many places are listed in Ottawa County?
16 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.