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 discography with the Army Air Forces Training Command Band in several different versions and was recorded for release as a V-Disc. A V-Disc test pressing was made from the November 10, 1945 recording of "7-0-5". The title "7-0-5" refers to the number of the score in the Glenn Miller music library. Each score had a number in the system that Miller and his arrangers devised. It was published as "Rock and Ride". The other titles that were used for the composition included "Goofin' Off" and "Jivin' the Blues". No title was decided upon so the score number was retained. "7-0-5" was