Union Zip Codes - Cass County MI

Union, MI Zip Code Map

Union, MI is a city located in Cass County, Michigan and has a land area of 11.78 square miles (30.51 km2). The water area for the city is 1.00 square miles or 2.59 km2. There is one unique zip code in Union, Michigan and it is 49130. The area code(s) for Union is 269.

Zip Codes for Union, MI (1)
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49130 Union Cass

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