noun
classified telephone directory
A telephone directory organized by occupation or business type, similar to the Yellow Pages.
職業別電話帳で近くの配管工を探した。
I looked for a nearby plumber in the classified telephone directory.
電話帳 is a general telephone directory, while 職業別電話帳 is specifically organized by occupation or business category.
Compound of 職業 (occupation), 別 (by, classified by), and 電話帳 (telephone directory).