Area codes 212, 646, and 332 lost. Marble Hill's trunk is wired into the Bronx line, and it would have been too expensive for New York Telephone to rewire it. A business with a 212 area code is often perceived as having stability and roots in Manhattan, particularly if a number has been in service for many decades. One example is PEnnsylvania 6-5000 (today 212-736-5000), the number for the Hotel Pennsylvania in Midtown. The hotel claims that it is the oldest continuously used number in New York City. This claim is in dispute, but PEnnsylvania 6-5000 did appear in a 1940 Glenn Miller Orchestra song title.
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