Iosco County ZIP Codes
Michigan, United States · 8 codes
Iosco County in Michigan has 8 ZIP codes, from 48730 to 48770, serving 8 places.
ZIP codes in Iosco
Frequently asked questions
What is the ZIP code of Iosco?
Iosco has 8 ZIP codes, from 48730 to 48770. The table lists the places each one serves.
How many places are listed in Iosco County?
8 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.