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Mason Post Office Hours

Retail Hours

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 12:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 9:00am - 4:00pm
Saturday-Sunday Closed

Monday-Friday 8:00am - 5:00pm
Saturday 8:00am - 3:00pm
Sunday Closed

Lobby Hours

Monday-Friday 5:30am - 5:30pm
Saturday 5:30am - 4:30pm
Sunday Closed

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Lisa L Shroufe (Postmaster)
144 W Ash St
Mason, MI 48854

The Mason Post Office is located in the state of Michigan within Ingham County. This location serves 18,598 Mason residents with a median income of $63,082. It's estimated that approximately 29,684 packages pass through this post office each year.

Mason Post Office Location 48854

Mason Michigan Local Links

Post Offices Near Mason by ZIP Code