Oconto County ZIP Codes
Wisconsin, United States · 11 codes
Oconto County in Wisconsin has 11 ZIP codes, from 54101 to 54175, serving 11 places.
ZIP codes in Oconto
Frequently asked questions
What is the ZIP code of Oconto?
Oconto has 11 ZIP codes, from 54101 to 54175. The table lists the places each one serves.
How many places are listed in Oconto County?
11 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.