Post Offices in New Castle, DE - Location and Hours Information

New Castle Post Offices

All 2 locations in New Castle, Delaware with operating hours, phone numbers, and postal services around New Castle County.

Manor Post Office

100 McMullen Ave

New Castle, DE 19720

302-328-5893 Today 9:00am - 1:00pm,
2:00pm - 5:00pm

New Castle Post Office

501 Delaware St

New Castle, DE 19720

302-328-6472 Today 8:30am - 5:00pm

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