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Post Offices in Greenport

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

1. USPS Post Office Greenport (NY)

Greenport, NY 11944

The Post Office is open Monday to Wednesday and on Friday from 10:30 am to 2:30 pm. It is closed on Thursday and Saturday and Sunday.