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Mass City Post Office Hours

Retail Hours

Contact Numbers:

Phone: 906-883-3438
Monday-Friday 8:00am - 12:00pm
Saturday 8:45am - 10:45am
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 8:00am - 12:30pm, 1:30pm - 4:45pm
Saturday 8:30am - 11:00am
Sunday Closed

Monday-Friday 8:00am - 12:00pm
Saturday 8:45am - 11:45am
Sunday Closed

Lobby Hours

Monday-Saturday 6:30am - 5:30pm
Sunday Closed

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Ruth E Morris (Postmaster)
1315 Adventure Ave
Mass City, MI 49948

The Mass City Post Office is located in the state of Michigan within Ontonagon County. This location serves 590 Mass City residents with a median income of $32,102. It's estimated that approximately 942 packages pass through this post office each year.

Mass City Post Office Location 49948

Mass City Michigan Local Links

Post Offices Near Mass City by ZIP Code