Hotel Pennsylvania The hotel has the distinction of having the New York phone number in longest continuous use. The number, Pennsylvania 6-5000 (212-736-5000), is the inspiration for the Jerry Gray composition of the same name (with lyrics later added by Carl Sigman). The most popular version was performed by Glenn Miller, with the Andrews Sisters' version not far behind. The Cafe Rouge was originally the main restaurant in the Hotel Pennsylvania. It served as a nightclub for many years, but now operates as a separate venue from the hotel entirely, as a multi-purpose space. It is the only space in the hotel
PEnnsylvania 6-5000 Hotel Pennsylvania, claims it to be the oldest continuing telephone number in New York City. While the hotel opened in 1919, the exact age of the telephone number and the veracity of the hotel's claim are unknown. At the time of Glenn Miller's popular network radio broadcasts, most local telephone calls in large cities were being dialed directly. All intercity calls required the operator. There were no area codes. The length of local numbers varied widely; four or five digits was more than enough for a small city with a single central office, while separate central offices served individual neighborhoods