Stony Brook Post Office

Post office

129 Main Street, Stony Brook, NY 11790

(631) 751-5691

Appointments are required. Call 632-751-5691 to schedule Mon-Fri 10A-3P and Sat 10A-12:30P.

Appointment required

Hours and addresses come from the State Department listing, updated November 2, 2026.

Book at USPS Directions Facilities in Stony Brook Facilities in New York

Stony Brook Post Office accepts new U.S. passport applications in person in Stony Brook, NY. First-time and child visits are booked on the USPS scheduler. Search ZIP 11790. How to apply · How to renew