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How many possible phone numbers are there in the world 2024?

Ava Martinez | 2023-04-20 00:22:11 | page views：1923
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Lucas Price

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Each three-digit area code has a capacity of 7,919,900 telephone numbers: NXX may begin only with the digits [2-C9], providing a base of 8 million numbers: (8 -- 100 -- 10000) . However, the last two digits of NXX cannot both be 1, to avoid confusion with the N11 codes.
2023-04-25 00:22:11
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Ethan Martin

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Each three-digit area code has a capacity of 7,919,900 telephone numbers: NXX may begin only with the digits [2-C9], providing a base of 8 million numbers: (8 -- 100 -- 10000) . However, the last two digits of NXX cannot both be 1, to avoid confusion with the N11 codes.
North American Numbering Plan - Wikipedia
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