St. Clair County post codes
Codes
23About St. Clair County
St. Clair County is in Michigan (MI), United States. It covers 22 places and 23 post codes in the 5 digits format.
This page contains 23 post code records. Every post code on this page maps to a single place.
Nearby counties include Macomb County, Lapeer County, Sanilac County. Other counties in Michigan (MI) include Alcona County, Alger County, Allegan County.
Addresses in St. Clair County usually include the place, county, state, post code, and country; confirm the local order before mailing.
At a glance
Address example
Postal formats vary by country; these are the address elements.
Shared post codes
Every post code on this page maps to a single place.
Location
FAQ
How many places are in St. Clair County?
22
How many post codes are in St. Clair County?
23
Which state is St. Clair County in?
Michigan (MI)
What is the post code format?
5 digits