East Haddam Post Office

Post office

34 Main Street, East Haddam, CT 06423

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 East Haddam Facilities in Connecticut

East Haddam Post Office accepts new U.S. passport applications in person in East Haddam, CT. First-time and child visits are booked on the USPS scheduler. Search ZIP 06423. How to apply · How to renew