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.
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 ... 132, 204, 270, 288 ...
To find the richest area codes, the top-three highest mean incomes per area code were averaged to come up with the mean income for the entire area code. To find the poorest area codes, the bottom ...
An area code of three digits dialed after the country code determines the area served in the United States and its territories, Canada, and much of the Caribbean. Zone 2 uses two 2-digit codes (20, 27) and eight sets of 3-digit codes (21x–26x, 28x, 29x), mostly to serve Africa , but also Aruba , Faroe Islands , Greenland and British Indian ...
Landline telephone numbers have area codes, whereas mobile numbers do not. In major cities, landline numbers consist of a two-digit area code followed by an eight-digit local number. In other places, landline numbers consist of a three-digit area code followed by a seven- or eight-digit local number. Mobile phone numbers consist of eleven digits.
New area codes were assigned in the overlay format to address number exhaustion: in 2017, Toluca and Puebla and in 2018, León, Mexico City, and Tijuana. In the early development of International Direct Distance Dialing (IDDD), Mexico elected to join World Zone 5, instead of joining the North American Numbering Plan (NANP). [ 5 ]