| Post Office Name | US Post Office |
| Address | 105 Johnson Way |
| City | New Castle |
| State | Delaware |
| Phone Number | (302) 328-1873 |
| Latitude | 39.6483 |
| Longitude | -75.6041 |
19720 US Post Office in New Castle, Delaware is located at 105 Johnson Way. The New Castle Post Office Number is (302) 328-1873
