PostOfficePagePost Offices in New Castle, Delaware
2 post offices in New Castle, Delaware.Below is the statewide list of New Castle, Delaware offices. Find the hours and correct map location of your local office.
Map of post offices in New Castle, Delaware
1. Manor Post Office
- Address: 100 McMullen Ave New Castle DE 19720
2. New Castle Post Office
- Address: 501 Delaware St New Castle DE 19720