Syosset Post Office

Post office

40 Queens Street, Syosset, NY 11791

(516) 921-0746

Appointments are required. Call 516-921-0746 to schedule Mon-Fri 9:30A-2:30P.

Appointment required

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

Book at USPS Directions Facilities in Syosset Facilities in New York

Syosset Post Office accepts new U.S. passport applications in person in Syosset, NY. First-time and child visits are booked on the USPS scheduler. Search ZIP 11791. How to apply · How to renew