Cass County ZIP Codes
Minnesota, United States · 12 codes
Cass County in Minnesota has 12 ZIP codes, from 56430 to 56672, serving 12 places.
ZIP codes in Cass
Frequently asked questions
What is the ZIP code of Cass?
Cass has 12 ZIP codes, from 56430 to 56672. The table lists the places each one serves.
How many places are listed in Cass 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.