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  3. New Castle Post Offices

Post 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.

Showing 1 to 2 of 2 locations

1.New Castle Post Office

  • 501 Delaware St New Castle DE 19720
  • 302-328-6472

2.Manor Post Office

  • 100 McMullen Ave New Castle DE 19720
  • 302-328-5893

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