North American Numbering Plan usually shown in capital letters, were dialed. Later, the third letter, where implemented, was replaced by a digit, or an extra digit was added. This generally happened after World War II, although New York City converted in 1930. The adoption of seven-digit local numbers (2L-5N) was chosen as the requirement for direct distance dialing and progressively deployed starting the late 1940s. The famous Glenn Miller tune "PEnnsylvania 6-5000" refers to telephone number PE6-5000, a number still in service at the Hotel Pennsylvania (212 736-5000) in New York. Similarly, the classic film "BUtterfield 8" is set in the East Side of
Glenn Miller 1948, Sinatra lamented the inferior quality of music he was recording in the late forties, in comparison with "those great Glenn Miller things" from eight years earlier. Frank Sinatra's recording sessions from the late forties and early fifties use some Miller musicians. Trigger Alpert, a bassist from the civilian band, Zeke Zarchy for the Army Air Forces Band and Willie Schwartz, the lead clarinetist from the civilian band back up Frank Sinatra on many recordings. With opposite opinion, fellow bandleader Artie Shaw frequently disparaged the band after Miller's death: "All I can say is that Glenn should have lived, and