Maryland Public Service Commission intrastate in Maryland must obtain a certificate to operate in Maryland. Carriers operating in Montgomery or Prince George's Counties that will also operate interstate into Washington, DC, or the cities and counties in Virginia that border Washington must also register with the Washington Metropolitan Area Transit Commission. Maryland Public Service Commission The Maryland Public Service Commission (PSC) is an independent administrative agency within the state government which regulates public utilities and certain taxi cab and other passenger services in Maryland. Similar to other state Public Utilities Commissions, the Maryland PSC regulates and sets tariff rates for natural gas, electricity distribution,
Verizon Washington, DC all of its operating companies. C&P Telephone Co. was renamed Bell Atlantic Washington, DC, Inc. After Bell Atlantic's merger with GTE in 2000, the system was renamed Verizon, and so were its Bell Operating Companies. Bell Atlantic Washington, DC, Inc., was renamed Verizon Washington, DC, Inc. Verizon Washington, DC The Chesapeake and Potomac Telephone Company was founded in June 1883. C&P Telephone Co. provided telephone service to Washington, D.C. In July 1969, President Richard Nixon's telephone call to astronauts on the moon originated from C&P Telephone Co. equipment. After AT&T's 1969 corporate identity overhaul, which included the famous Saul Bass