MASTIC BEACH POST OFFICE 11951

Mastic Beach Post Office Hours


Retail Hours

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

Bulk Mail Acceptance Hours

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

Monday-Friday 9:00am - 5:00pm
Saturday 9:00am - 3:30pm
Sunday Closed

Lobby Hours

Monday-Friday 5:45am - 5:30pm
Saturday 5:45am - 3:30pm
Sunday Closed

USPS Shipping Rate Calculator

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Dennis J Mellor (Postmaster) dennis.j.mellor@usps.gov
110 Mastic Rd
Mastic Beach, NY 11951

The Mastic Beach Post Office is located in the state of New York within Suffolk County. This location serves 13,680 Mastic Beach residents with a median income of $68,243. It's estimated that approximately 21,835 packages pass through this post office each year.

Mastic Beach Post Office Location


Mastic Beach New York Local Links