MOUNT SINAI POST OFFICE 11766


Mount Sinai Post Office Hours

Retail Hours

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 1:00pm
Sunday Closed

Bulk Mail Acceptance Hours

Monday-Friday 10:00am - 2:00pm
Saturday-Sunday Closed

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 1:00pm
Sunday Closed

Lobby Hours

Monday-Friday 5:30am - 5:30pm
Saturday 5:30am - 3:30pm
Sunday Closed

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Michael Bovenzi Jr (Postmaster) michael.e.bovenzi@usps.gov
457 Route 25a
Mount Sinai, NY 11766

The Mount Sinai Post Office is located in the state of New York within Suffolk County. This location serves 12,635 Mount Sinai residents with a median income of $106,983. It's estimated that approximately 20,167 packages pass through this post office each year.

Mount Sinai Post Office Location 11766


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