Post Offices in & near Black River, New York. Operating hours, locations, phone/fax number, services information.
Post Office in Black River, New York on State Route 3. Operating hours, phone number, services information, and other locations.
Address: 28553 State Route 3, Black River, NY 13612
Phone: 315-773-5000
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
