Mailing services in New Castle
- United States Postal ServiceUnited States Postal ServiceClosed until 08:30United States, New Castle, 501 Delaware St
- United States Postal ServiceUnited States Postal ServiceClosed until 08:00United States, Historic New Castle, 147 Quigley Blvd
- FedEx Ship CenterFedEx Ship CenterClosed until 09:00Delaware, New Castle County
- United States Postal ServiceUnited States Postal ServiceClosed until 09:00Delaware, New Castle County
- United States Postal ServiceUnited States Postal ServiceClosed until 08:30United States, Pennsville, 220 S Broadway
