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Post Offices in Middle Island

Click on the Post Office from this list of 1 Post Offices in Middle Island to view the opening hours, phone number, drop-off times, services and other information.

1. USPS Post Office Middle Island (NY)

780 Middle Country Rd

Middle Island, NY 11953

The Post Office is open Monday to Friday from 10:00 am to 3:00 pm. It is closed Saturday and Sunday.