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Zone 5 uses eight 2-digit codes (51–58) and two sets of 3-digit codes (50x, 59x) to serve South and Central America. Zone 6 uses seven 2-digit codes (60–66) and three sets of 3-digit codes (67x–69x) to serve Southeast Asia and Oceania. Zone 7 uses an integrated numbering plan; two digits (7x) determine the area served: Russia or Kazakhstan.
The ITU ENUM allocates a specific zone, namely "e164.arpa" for use with ENUM E.164 numbers on the IP side of the network. RFC 6116 defines how any E.164 number, such as +1 555 42 42 can be transformed into a URI, by reversing the numbers, separating them with dots and adding the e164.arpa suffix thus: 2.4.2.4.5.5.5.1.e164.arpa
Zone Usage Measurement (ZUM) is the method by which phone companies in California distinguished "local" service from "long distance" service within the service area to which local phone companies used to be restricted. Usually the local calling area includes a 13-mile (21 km) radius from the point of origination.
NPA Year Current region 212: 1947 New York City: Manhattan only; overlays with 332, 646, and 917 : 315: 1947 Syracuse, Utica, Watertown, and north central New York; overlaid by 680.
The pro-call passengers wonder how making phone calls became such a controversial topic. After all, you could make a call from a plane until 2013, when the last Airfones were decommissioned ...
Area code 212 was the quickest, followed by 213 (Los Angeles) and 312 (Chicago), etc., all the way to 919 (North Carolina). For the next 37 years, New York City was one of the largest toll-free calling zones in North America. The gradual adoption of DTMF dialing eventually made dialing speed the same for all area codes.
This is a list of area codes in the U.S. state of Florida.. When the original North American area codes were introduced for a nationwide telephone numbering plan in 1947, the entire state was a single numbering plan area (NPA) with area code 305.
This term however, is still widely prevalent in India to describe any national call made outside one's local unit. A "subscriber" is someone who subscribes to, i.e. rents, a telephone line, and a "trunk call" is one made over a trunk line, i.e. a telephone line connecting two exchanges a long distance apart. Since all calls may be dialled ...