East Setauket Post Office

Post office

450 Route 25a, East Setauket, NY 11733

(631) 941-4005

Appointments are required. Call 631-941-4005 to schedule Mon-Fri 10A-3P and Sat 10A-1P

Appointment required

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

Book at USPS Directions Facilities in East Setauket Facilities in New York

East Setauket Post Office accepts new U.S. passport applications in person in East Setauket, NY. First-time and child visits are booked on the USPS scheduler. Search ZIP 11733. How to apply · How to renew