1. Mail Stop 24832 John J Williams Hwy Unit 1, Millsboro, DE 19966 Coordinate: 38.63713,-75.19528 Phone: (302) 947-4704
2. United States Postal Service 100 Main St, Millsboro, DE 19966 Coordinate: 38.58918,-75.2924 Phone: (800) 275-8777