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 Orchestra Miller and his band held the slot until their disbandment in 1942. In 1940, the band broadcast from the first time from the Café Rouge at the Hotel Pennsylvania, soon to become a regular booking and a host of long-term engagements. By then, the Miller band had several NBC sustaining broadcasts in addition to three CBS programs, reaching American homes 6–7 days a week. In August, Miller's orchestra had an hour-long program on NBC–Blue, "Glenn Miller's Sunset Serenade" featuring prizes Miller paid for out-of-pocket. A review in "Billboard" commented, "Unusual length of the program allows Miller to display all the