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.
Telephone number mapping Telephone number mapping Telephone number mapping is a system of unifying the international telephone number system of the public switched telephone network with the Internet addressing and identification name spaces. Internationally, telephone numbers are systematically organized by the E.164 standard, while the Internet uses the Domain Name System (DNS) for linking domain names to IP addresses and other resource information. Telephone number mapping systems provide facilities to determine applicable Internet communications servers responsible for servicing a given telephone number using DNS queries. The most prominent facility for telephone number mapping is the E.164 Number to URI Mapping (ENUM) standard. It