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1947: Area codes 313, 517 and 616 are three of the original 86 area codes in the North American Numbering Plan. 1961: Area code 906 was created in the first split of 616. 1993: Area code 810 was created in the first split of 313. 1997: Area code 734 was created in the second split of 313. and area code 248 was created in the first split of 810.
The Great Green Wall, officially known as the Three-North Shelter Forest Program (simplified Chinese: 三北防护林; traditional Chinese: 三北防護林; pinyin: Sānběi Fánghùlín), also known as the Three-North Shelterbelt Program, is a series of human-planted windbreaking forest strips (shelterbelts) in China, designed to hold back the expansion of the Gobi Desert [1] and provide ...
Area code 679 has been reserved as a future overlay for the 313 territory. [2] [3] In February 2000, the area code was assigned as a second area code in the county of Wayne in the southeastern part of the U.S. state of Michigan. [4] However, the relief schedule was cancelled in April 2000, and the implementation of the overlay was suspended. [5]
The Three-North Shelter Forest Program, also nicknamed the "Great Green Wall", is a series of windbreaking forests in China designed to hold back the expansion of the Gobi Desert [44] [45] and reduce the incidence of dust storms that have long caused problems for northern China, [46] as well as also providing timber to the local population. [47]
The North American Numbering Plan (NANP) divides the territories of its members into geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan area codes (NPA codes, or area codes), consisting of three digits that are prefixed to each local telephone number having seven digits.
List of North American Numbering Plan area codes; Pages in category "Area codes in Michigan" ... List of Michigan area codes; 0–9. Area code 231; Area codes 248 and ...
An area code overlay is a numbering plan area (NPA) in the North American Numbering Plan (NANP) that has multiple area codes assigned. Overlay complexes are used to add central office prefixes in an NPA to increase the number of available telephone numbers .
Area code 989 is a telephone area code in the North American Numbering Plan for Central Michigan, the northeastern Lower Peninsula, and portions of the Thumb. It is the highest-numbered area code in use in the North American Numbering Plan (NANP), [ 1 ] as well as the highest possible under the current system, in which a middle digit of 9 is ...