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9 de abr. de 2009 · The North American Numbering Plan (NANP) is an integrated telephone numbering plan of 24 countries and territories: the United States and its territories, Canada, Bermuda, and 16 of the Caribbean countries.
The average number of pulses is 12; there are 28 potential NPAs with fewer than 12 pulses, 28 with more than 12 pulses, and 8 with exactly 12 pulses. These 8 are apparently "reserved", as none of them were included in the 1947 NPA assignments. Of the 28 potential NPAs with fewer than 12 pulses, all 28 were assigned.
北米電話番号計画 （ほくべい でんわばんごう けいかく、 英 ：North American Numbering Plan, NANP）は、 アメリカ合衆国 とその海外領土、 カナダ 、 西インド諸島 の国々やイギリス海外領土などを対象とした国際電話番号の 電話番号計画 。. 1-に続く3桁の国番号 ...
The NANP is an integrated numbering plan serving 20 North American countries that share its resources. Regulatory authorities in each participating country have plenary authority over numbering resources, but all participating countries, implicitly or explicitly, share numbering resources cooperatively. This approach has been successful for ...
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. Numbering plan areas may be assigned multiple area codes to provide adequate ...
Ten-digit dialing. Ten-digit dialing is a telephone dialing procedure in the countries and territories that are members of the North American Numbering Plan (NANP). It is the practice of including the area code of a telephone number when dialing to initiate a telephone call. When necessary, the ten-digit number may be prefixed with the trunk ...
Các quốc gia theo NANP tại Bắc Mỹ. Kế hoạch đánh số điện thoại của Bắc Mỹ ( tiếng Anh: North American Numbering Plan, viết tắt là NANP) là một kế hoạch đánh số điện thoại đó bao gồm hai mươi lăm khu vực riêng biệt trong hai mươi quốc gia chủ yếu ở Bắc Mỹ, bao gồm ...
