Frank F. (Freddy) Davis, 66, an employe of the Postal Service for 40 years who was active in civic organizations, died of cancer Tuesday at his Washington home.

A native of Washington, he began his career with the Post Office as a letter carrier here, a job he held for about 25 years.

He became an equal opportunity employment officer with the old Post Office Department in the mid 1960s, a position he held until retiring in 1974.

Mr. Davis helped organize the first National Awards Program honoring the Post Office Department's handicapped workers in 1966.

He received an award from the Civil Service Commission in 1967 for his work as coordinator of employment for handicapped workers at the Post Office Department.

Mr. Davis belonged to a number of civic organizations and served as president of both the Midway Civic Association and the Adame-Morgan Citizen's Association during the 1960s.

He also had been a member of the Board of Deacons of the Plymouth Congregational United Church of Christ in Washington.

He earned a bachelor's degree at Howard University and earneda law degree at the old Terrell Law School in Washington.

Mr. Davis had been active in a number of fraternal organizations, including the Elks.

He is survived by his wife, Elizabeth G. (Betty) Davis, of the home; a stepdaughter, Barbara Gandy Hale, of Pittsburgh, and four grandchildren.