Haddam Post Office

Post office

1050 Saybrook Rd, Haddam, CT 06438

Hours are not published. Call before you go.

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

Book at USPS Directions Facilities in Haddam Facilities in Connecticut

Haddam Post Office accepts new U.S. passport applications in person in Haddam, CT. First-time and child visits are booked on the USPS scheduler. Search ZIP 06438. How to apply · How to renew