Post Offices in & near East Part, New York. Operating hours, locations, phone/fax number, services information.
Post Office in Winthrop, New York on State Highway 11c. Operating hours, phone number, services information, and other locations.
Address: 656 State Highway 11c, Winthrop, NY 13697
Phone: 315-389-4735
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457