Ba·by Bell (bā'bē) n. Any of the regional telephone companies created in 1984 when AT&T was ordered to divest itself of its local telephone service operations.
[From (Ma) Bell, nickname for Bell Telephone Company, after Alexander Graham Bell.]
One of several integrated-communications providers that were formerly part of AT&T but became independent in 1984 following AT&T's court-ordered divestiture. The seven original Baby Bells were once operating subsidiaries of AT&T that provided local and intrastate long-distance service.