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 discography broadcast. Based on the ASCAP database, "I'm Headin' for California" was written by Glenn Miller with Arthur Malvin, a member of the Crew Chiefs, copyrighted on September 21, 1944 and published by the Chappell Co., Inc. The song was released as a 78 single, RCA Victor 20-1834, b/w "Swing Low, Sweet Chariot" by the Glenn Miller Orchestra led by Tex Beneke in 1946 and as an HMV 78, BD 5956, in the UK in 1947 b/w "Texas Tex". The "Billboard" issue of March 30, 1946 lists Glenn Miller and Arthur Malvin as the composers: "Mated is a pleasant plattering of