Kossuth County ZIP Codes
Iowa, United States · 12 codes
Kossuth County in Iowa has 12 ZIP codes, from 50451 to 50598, serving 12 places.
ZIP codes in Kossuth
Frequently asked questions
What is the ZIP code of Kossuth?
Kossuth has 12 ZIP codes, from 50451 to 50598. The table lists the places each one serves.
How many places are listed in Kossuth County?
12 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.