Search results
Results From The WOW.Com Content Network
The largest telephone numbering plan in North American is the North American Numbering Plan (NANP), serving 25 regions or countries. Other countries maintain an autonomous numbering plan with distinct country codes within the international E.164 specifications by the International Telecommunication Union.
Mobile phones use geographic area codes. Exchanges may service on mobile devices; local numbers are portable between wired and wireless carriers. While area code 600 has been established as a non-geographic code that can be used by mobile phones, the only significant mobile usage has been for satellite phone service in remote regions.
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.
However, in 1988, the 312 area code was made exclusive to Chicago and the 708 area code was introduced. [173] Then, in 1996, the 708 area code was split into three: 708, 630, and 847. [174] Currently, Northbrook uses the 847 area code as well as the 224 area code [175] which was introduced in 2002. [176]
To find out the 25 poorest and richest area codes, GOBankingRates used the 2015 Census Community Survey, the most recent data available, to rank cities across the nation in order of mean household ...
Area codes in Germany (German: Vorwahl) have two to five digits. In addition, the prefix digit 0 must be dialed when calling from within Germany, and must be omitted when calling from abroad. When calling via fixed networks within the same area, the area code is not required. In general, shorter area codes are assigned to larger cities, and ...
UN M49 or the Standard Country or Area Codes for Statistical Use (Series M, No. 49) is a standard for area codes used by the United Nations for ... 175, 231, 232, 260 ...
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.