Calhoun County ZIP Codes
Michigan, United States · 15 codes
Calhoun County in Michigan has 15 ZIP codes, from 49011 to 49245, serving 15 places.
ZIP codes in Calhoun
Frequently asked questions
What is the ZIP code of Calhoun?
Calhoun has 15 ZIP codes, from 49011 to 49245. The table lists the places each one serves.
How many places are listed in Calhoun County?
15 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.