Hours Of Operations Delmarva Power Maryland Whaleyville 21872 Delmarva Power Hours of Operation and Location in Whaleyville, MD 21872 4.0 - 27 votes 7937 Circle Rd, Whaleyville, MD 21872 (410) 835-2727 Get Directions Delmarva Power Hours Category: Home & Garden Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Recommend For You Matheson Tri-Gas Pepco United Power Aero Energy Ferrellgas Toys R Us A Healing Touch A Helping Hand A J Enterprises A J's Barber Shop