1. United States Postal Service 17533 Redland Rd, Derwood, MD 20855 Coordinate: 39.14398,-77.14423 Phone: (800) 275-8777
2. The UPS Store 16837 Crabbs Branch Way, Derwood, MD 20855 Coordinate: 39.13183,-77.16609 Phone: (866) 790-8450