When an older parent has sold a home or is preparing to move, who do you call to change services in the DC metropolitan area? Here is a list of a few numbers to have on hand so you can call and make the necessary changes to the accounts. Electricity: PEPCO 202-833-7550 or BGE 800-685-0123Gas: Washington Gas 800-752-7520Water: WSSC 301-206-4001Verizon:…