Anthony Francis diMeglio, 64, a postal systems examiner for the Postal Service, died of cancer Thursday at Sibley Memorial Hospital.

Mr. diMeglio joined the old Post Office Department, now the Postal Service, in 1939. He worked in a number of specialized clerical positions until 1971, when he became office staff assistant at the Main Post Office in Washington. In 1972, he became a payroll accounting assistant and was promoted to postal systems auditor the following year. He had been a postal systems examiner since 1975.

Mr. diMeglio received a superior accomplishment award and several letters of commendation from the Postal Service.

He was born in Washington and graduated from McKinley High School.He earned a bachelor's degree in commercial science from the old Columbus University in 1941 and a bachelor's degree in economics from American University. He attended St. Anthony's Catholic Church in Washington.

During World War II, he served in the Army in Central America, North Africa, China, Burma, India and the Mariana Islands.

Survivors include seven brothers, Frank, of Silver Spring, Julian, of Hyattsville, Paul, of Wilmington, Del., Henry of District Heights, Joseph, of Camp Springs, Emelio, of Palmdale, Calif., and Mario, of Nashville, and four sisters, Mary Guyther, of Landover Hills, Ann Lucas, of District Heights, Rose Keaton, of Panama City, Fla., and Gail Woodruff, of Cottage City.

The family suggest that expressions of sympathy be in the form of contributions to the American Cancer Society.