Wilmington Post Office And Distribution Center

Post office

147 Quigley Blvd., New Castle, DE 19720

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 New Castle Facilities in Delaware

Wilmington Post Office And Distribution Center accepts new U.S. passport applications in person in New Castle, DE. First-time and child visits are booked on the USPS scheduler. Search ZIP 19720. How to apply · How to renew