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  2. Telephone exchange names - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange_names

    Telephone numbers listed in 1920 in New York City having three-letter exchange prefixes. In the United States, the most-populous cities, such as New York City, Philadelphia, Boston, and Chicago, initially implemented dial service with telephone numbers consisting of three letters and four digits (3L-4N) according to a system developed by W. G. Blauvelt of AT&T in 1917. [1]

  3. Telephone directory - Wikipedia

    en.wikipedia.org/wiki/Telephone_directory

    Telephone directory. A telephone directory, commonly called a telephone book, telephone address book, phonebook, or the white and yellow pages, is a listing of telephone subscribers in a geographical area or subscribers to services provided by the organization that publishes the directory. Its purpose is to allow the telephone number of a ...

  4. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

    www.aol.com/19-dangerous-scam-phone-numbers...

    Here are examples of three of the most common scams out there today and how to block these spam calls. 1. One-Ring Scams. Scammers use one-ring scams to get you, the victim, to call back. The ...

  5. Telephone numbers in Ghana - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Ghana

    The Ghana telephone numbering plan is the system used for assigning telephone numbers in Ghana. It is regulated by the National Communications Authority, which holds responsibility for telecommunications. Since 1 May 2010, all fixed-line numbers and mobile numbers have 9 national (significant) numbers after the '0' trunk code.

  6. Telephone number - Wikipedia

    en.wikipedia.org/wiki/Telephone_number

    A telephone number serves as an address for switching telephone calls using a system of destination code routing. [1] Telephone numbers are entered or dialed by a calling party on the originating telephone set, which transmits the sequence of digits in the process of signaling to a telephone exchange. The exchange completes the call either to ...

  7. List of emergency telephone numbers - Wikipedia

    en.wikipedia.org/wiki/List_of_emergency...

    123 or 112. Emergency at sea: 129. Netherlands. 112. Text phone – 0800 81 12; Non-emergency police – 0900 88 44[a] or 0343 578 844; [66] Non-emergency police (text phone) – 0900 18 44; Suicide prevention – 113; Animal emergency – 144; Child abuse – 0900 123 12 30; [a] Anti-bullying hotline – 0800 90 50.

  8. List of mobile telephone prefixes by country - Wikipedia

    en.wikipedia.org/wiki/List_of_mobile_telephone...

    268 7xx. 10. NANP member. Argentina. +54. 9/15. 10. All carriers: Claro, Movistar, Personal, Tuenti. 15 before the local number but after long distance area code for national calls (0 11 15 xxxx-xxxx) and 9 placed after the international access code excluding the 15 for international calls (+54 9 11 xxxx-xxxx).

  9. Category:Telephone numbers in the United States - Wikipedia

    en.wikipedia.org/wiki/Category:Telephone_numbers...

    Pages in category "Telephone numbers in the United States" The following 69 pages are in this category, out of 69 total. This list may not reflect recent changes.