Post Office Fishers Island

Phone: (631) 788-7835

Gail Utterback-Mills, Officer in Charge

United States Postal Service: (800) ASK-USPS (275-8777)

Lobby and Boxes Hours: Monday-Friday 8:00-4:00; Saturday 8:00-1:00
Window Hours: Monday-Friday 8:00-1:00 and 1:30-3:30; Saturday 8:00-11:15
Dispatch Times: Monday-Friday 4:00pm; Saturday 11:30am

Special Service Notice: Please address all mail completely, including the box number of the addressee and “Fishers Island, NY 06390.”

FI Post Office: Proper USPS Addressing FI Post Office Box Holders to Register Boxes


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