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Dennis Post Office Hours

Retail Hours

Monday-Friday 9:00am - 4:00pm
Saturday 10:00am - 12:00pm
Sunday Closed

Pickup Services Hours

Monday-Friday 7:00am - 4:30pm
Saturday 7:00am - 12:30pm
Sunday Closed

Monday-Friday 7:00am - 4:30pm
Saturday 7:00am - 12:30pm
Sunday Closed

PO Box Access Hours

Monday-Friday 7:00am - 4:30pm
Saturday 7:00am - 12:30pm
Sunday Closed

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Karen Donahue (Postmaster) karen.h.donahue@usps.gov
788 Main St
Dennis, MA 02638

The Dennis Post Office is located in the state of Massachusetts within Barnstable County. This location serves 3,207 Dennis residents with a median income of $55,855. It's estimated that approximately 5,119 packages pass through this post office each year.

Dennis Post Office Location 02638


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