Though the term is most popular in the northeast (the term originated with Bell Telephone nee' AT&T, and continued on through Nynex, the RBOC -aka babybell- for New York and New England), and is falling into disuse as the distinction between local exchanges and long distance has become generally meaningless (especially with cell phones now outnumbering land lines).
...Of course with Law and Order playing 40 times a day, I think everyone has heard it.
