Middletown Post Office

Post office

298 E. Main Street, Middletown, DE 19709

(302) 378-1857

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 Middletown Facilities in Delaware

Middletown Post Office accepts new U.S. passport applications in person in Middletown, DE. First-time and child visits are booked on the USPS scheduler. Search ZIP 19709. How to apply · How to renew