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 (1945 album) McIntyre, Tex Beneke, Wilbur Schwartz, Stanley Aronson, Al Klink; Trumpets: Bob Price, R. D. McMickle, Legh Knowles; Trombones: Glenn Miller, Paul Tanner, Al Mastren; Piano: Chummy MacGregor; String Bass: Rowland Bundock; Guitar: Allen Reuss; Drums: Moe Purtill. The personnel for "Stardust": Saxes: Hal McIntyre, Tex Beneke, Wilbur Schwartz, Jimmy Abato, Al Klink; Trumpets: Clyde Hurley, John Best, R. D. McMickle, Legh Knowles; Trombones: Glenn Miller, Howard Gibeling, Paul Tanner, Frank D'Annolfo; Piano: Chummy MacGregor; String Bass: Rowland Bundock; Guitar: Richard Fisher; Drums: Moe Purtill. The personnel for "Pennsylvania Six-Five Thousand": Saxes: Hal McIntyre, Tex Beneke, Wilbur Schwartz, Ernie Caceres, Al