Frederick G. Macarow, 80, a veteran of 43 years with the Bell telephone system who retired in 1963 as executive vice president of the Chesapeake and Potomac Telephone Companies, died Saturday at Arlington Hospital following a heart attack. He lived in Falls Church.

Mr. Macarow began working as a student engineer with the American Telephone and Telegraph Company in New York in 1920. He came to this area in 1928 as district traffic manager for C&P in Baltimore and subsequently held a variety of management positions with the four C&P companies, which operate in the District of Columbia, Maryland, Virginia and West Virginia. He was appointed vice president and general manager of the Washington company in 1948.

In 1950, he was named vice president of operations and engineering for all four companies and also became a member of their boards of directors. He was elected executive vice president of all four companies in 1959, a position he held until his retirement in 1963.

Mr. Macarow, a veteran of World War I, was born in Ashland, Pa., and earned a degree in electrical engineering from Lehigh University in 1920.

He was a member of the Alexander Graham Bell chapter of the Telephone Pioneers of America, the Washington Metropolitan Board of Trade, the YMCA, where he served on the board of directors, and the Washington Boys Club. He attended the Annandale Methodist Church.

Survivors include his wife, Nina S., of the home in Falls Church; a daughter, Dorothy M. David, of Conyngham, Pa.; a brother, John C. Macarow, of Albany, one grandchild and one great-grandchild.