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
Pure Gold (Glenn Miller album) "Pennsylvania Six-Five Thousand": Saxes: Hal McIntyre, Tex Beneke, Wilbur Schwartz, Ernie Caceres, Al Klink; Trumpets: John Best, R. D. McMickle, Clyde Hurley, Legh Knowles; Trombones: Glenn Miller, Jimmy Priddy, Paul Tanner, Frank D'Annolfo; Piano: Chummy MacGregor; String Bass: Herman "Trigger" Alpert; Guitar: Jack Lathrop; Drums: Moe Purtill. The personnel on the May 7, 1941 recording of "Chattanooga Choo Choo" by Glenn Miller and his Orchestra in Hollywood on RCA Bluebird were Paula Kelly, the Modernaires (vocals), Billy May, John Best, Ray Anthony, R.D. McMickle (trumpet), Glenn Miller, Jim Priddy, Paul Tanner, Frank D'Annolfo (trombone), Hal McIntyre, Wilbur Schwartz (clarinet, alto