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 included Marion Hutton, Skip Nelson, Ray Eberle and to a smaller extent, Kay Starr, Ernie Caceres, Dorothy Claire and Jack Lathrop. Pat Friday ghost-sang with the Miller band in their two films, "Sun Valley Serenade" and "Orchestra Wives" with Lynn Bari lip synching. Miller and his band appeared in two Twentieth Century Fox films. In 1941's "Sun Valley Serenade", they were major members of the cast, which also featured comedian Milton Berle, and Dorothy Dandridge with the Nicholas Brothers in the show-stopping song and dance number, Chattanooga Choo Choo. The Miller band returned to Hollywood to film 1942's "Orchestra Wives",