48421 ZIP Code Columbiaville, Michigan – USA
The ZIP code 48421 is assigned to Columbiaville city, located in the Lapeer county that is part of the state of Michigan, MI, United States.
48421 zip code map
Postcode location
Columbiaville Michigan,MI
State of 48421
Check all the Michigan ZIP Code list.
US ZIP Codes
Please check all state’s postal code in the United States.