Post Office in New Castle County, DE

Find The Office You Need

• Wilmington Post Office

  3911 Concord Pike, Wilmington, DE 19803

  302-479-9501
• Lancaster Ave Post Office

  1500 Lancaster Avenue, Wilmington, DE 19805

  302-654-0725
• Talleyville Post Office

  3911 Concord Pike, Wilmington, DE 19803

  302-478-5753
• Newport Post Office

  1704 West Newport Pike, Wilmington, DE 19804

  302-994-5029
• Rodney Sq Post Office

  500 Delaware Avenue, Wilmington, DE 19801

  302-656-0228
• Greenville Post Office

  3801 Kennett Pike, Wilmington, DE 19807

  302-652-5449
• Edgemoor Post Office

  4901 Governor Printz Boulevard, Wilmington, DE 19809

  302-762-1833
• Marshallton Post Office

  3434 Old Capitol Trail, Wilmington, DE 19808

  302-998-1168
• Manor Post Office

  100 McMullen Avenue, New Castle, DE 19720

  302-328-5893
• New Castle Post Office

  501 Delaware Street, New Castle, DE 19720

  302-328-2392