Cass County ZIP Codes
Michigan, United States · 7 codes
Cass County in Michigan has 7 ZIP codes, from 49031 to 49130, serving 7 places.
ZIP codes in Cass
Frequently asked questions
What is the ZIP code of Cass?
Cass has 7 ZIP codes, from 49031 to 49130. The table lists the places each one serves.
How many places are listed in Cass County?
7 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.