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  2. Telephone exchange names - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange_names

    Kenmore 9392 is a five-pull (1L-4N) small-city telephone number for the Kenmore exchange in Fort Wayne, Indiana. MArket 7032 is a six-digit (2L-4N) telephone number. This format was in use from the 1920s through the 1950s, and was phased out c. 1960. BALdwin 6828 is an urban 3L-4N example, used only in the largest cities before conversion to ...

  3. Telephone prefix - Wikipedia

    en.wikipedia.org/wiki/Telephone_prefix

    Telephone prefix. A telephone prefix is the first set of digits after the country, and area codes of a telephone number. In the North American Numbering Plan countries (country code 1), it is the first three digits of a seven-digit local phone number, the second three digits of the 3-3-4 scheme. In other countries, both the prefix and the ...

  4. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    The number of CCTV cameras equipped with facial biometrics in Moscow's public surveillance network is set to grow by 70 times from the current 1,500 to 105,000 by the end of the year. The CCTV system in Moscow can now recognize faces using an algorithm based on neural networks. City camera recordings are analyzed in real-time.

  5. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    1. International access. 011. List of dialing codes. The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably ...

  6. Area codes 212, 646, and 332 - Wikipedia

    en.wikipedia.org/wiki/Area_codes_212,_646,_and_332

    Area codes 212, 646, and 332. Coordinates: 40°43′42″N 73°59′39″W. Area codes in New York state; area codes 212, 646 and 332 highlighted in dark blue. Area codes 212, 646, and 332 are area codes in the North American Numbering Plan (NANP) for most of the borough of Manhattan in New York City. By area, it is one of the smallest ...

  7. All-number calling - Wikipedia

    en.wikipedia.org/wiki/All-Number_Calling

    All-number calling. All-number calling ( ANC) is a telephone numbering plan that was introduced into the North American Numbering Plan by the Bell System in the United States starting in 1958 [1] to replace the previous system of using a telephone exchange name as the first part of a telephone number. [2] The plan prescribed the format of a ...

  8. National conventions for writing telephone numbers - Wikipedia

    en.wikipedia.org/wiki/National_conventions_for...

    Belgian telephone numbers consist of three parts: First '0', secondly the "zone prefix" ( A) which has one or two digits for landlines and three digits for mobile phones, and thirdly the "subscriber's number" ( B ). Land lines always have nine digits. They are prefixed by a zero, followed by the zone prefix.

  9. 4 smartphone rules parents should follow, according to a ...

    www.aol.com/4-smartphone-rules-parents-according...

    In New York, as Gov. Kathy Hochul considers a statewide ban, leaders of New York City public schools—which lifted a phone ban in 2015—say a full ban will return in 2025. 4. Far more ...

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