PEnnsylvania 6-5000 imposed on all of New York City, including calls within the same area code. Letters from the original named exchange prefixes are occasionally spotted on old signage in the city, but are increasingly rare. Many big band names played in the Hotel Pennsylvania's Café Rouge, including the Glenn Miller Orchestra. The phone number became the inspiration for the Glenn Miller 1940 Top 5 "Billboard" hit of the same name. The number was used in the Milli Vanilli song, "Baby Don't Forget My Number", near the end. The number also inspired the pun title "Transylvania 6-5000", used separately as titles for
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