Telephone exchange names UK in 1966, although it was not until the early 1970s that all exchange names were converted. In Paris and its suburbs, the conversion from 3L-4N to all numbers occurred in October 1963. For example, ÉLYsées became 379, LOUvre 508, PIGalle 744, POMpadour 706... But until October 1985, when an 8th number was added, it remained possible to make use of almost all the previous combinations. At least four popular songs use old telephone exchanges in their names: "PEnnsylvania 6-5000" (PE 6-5000), recorded by Glenn Miller (the inspiration for that song, the Hotel Pennsylvania in New York City, still holds
Glenn Miller high regard. Tormé credited Miller with giving him helpful advice when he first started his singing and song-writing career in the 1940s. Mel Tormé met Glenn Miller in 1942, the meeting facilitated by Tormé's father and Ben Pollack. Tormé and Miller discussed "That Old Black Magic", which was just emerging as a new song by Johnny Mercer and Harold Arlen. Miller told Tormé to pick up every song by Mercer and study it and to become a voracious reader of anything he could find, because "all good lyric writers are great readers." In an interview with George T. Simon in