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Post Offices in East Setauket

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

1. USPS Post Office East Setauket (NY)
450 Route 25a
East Setauket, NY 11733
The Post Office is open Monday to Thursday from 9:00 am to 12:30 pm and from 1:00 pm to 2:00 pm and on Friday from 9:00 am to 12:00 pm and from 12:30 pm to 2:00 pm. It is closed Saturday and Sunday.