Bay County ZIP Codes
Michigan, United States · 11 codes
Bay County in Michigan has 11 ZIP codes, from 48611 to 48747, serving 11 places.
ZIP codes in Bay
Frequently asked questions
What is the ZIP code of Bay?
Bay has 11 ZIP codes, from 48611 to 48747. The table lists the places each one serves.
How many places are listed in Bay County?
11 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.