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 public. The legacy also continues through The United States Air Forces in Europe Band, stationed at Ramstein Air Base, Germany. Today, most branches of the American military, in addition to concert and marching bands, have jazz orchestras, combos and even groups playing rock, country and bluegrass. All that can be tracked to Miller's original Army Air Force band. Annual festivals celebrating Glenn Miller's legacy are held in two of the towns most associated with his youth. Since 1975, the Glenn Miller Birthplace Society has held its annual Glenn Miller Festival in Clarinda, Iowa. The festival's highlights include performances by the