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  2. Bharat Sanchar Nigam Limited - Wikipedia

    en.wikipedia.org/wiki/Bharat_Sanchar_Nigam_Limited

    Bharat Sanchar Nigam Limited (abbreviated as BSNL) is a central public sector undertaking under the ownership of Department of Telecommunications, which is part of the Ministry of Communications, Government of India with its headquarters in New Delhi, India. The central public sector undertaking was established on 1 October 2000 by the ...

  3. Telephone exchange - Wikipedia

    en.wikipedia.org/wiki/Telephone_exchange

    A telephone exchange, also known as a telephone switch or central office, is a crucial component in the public switched telephone network (PSTN) or large enterprise telecommunications systems. It facilitates the interconnection of telephone subscriber lines or digital system virtual circuits, enabling telephone calls between subscribers.

  4. BSNL Broadband - Wikipedia

    en.wikipedia.org/wiki/BSNL_Broadband

    BSNL Broadband. BSNL Broadband (formerly DataOne) [3] is an Indian wireline broadband operator, a division of Bharat Sanchar Nigam Limited owned by Department of Telecommunications under Ministry of Communications of the Government of India. It provides both wired and wireless broadband services as well as many value-added services.

  5. Bharat Broadband Network - Wikipedia

    en.wikipedia.org/wiki/Bharat_Broadband_Network

    t. e. BharatNet, also known as Bharat Broadband Network Limited ( BBNL ), is a central public sector undertaking, set up by the Department of Telecommunications, a department under the Ministry of Communications of the Government of India for the establishment, management, and operation of the National Optical Fibre Network to provide a minimum ...

  6. 30 Scam Phone Numbers To Block and Area Codes To Avoid - AOL

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

    888 numbers indicate it is a toll-free call. Calls made to toll-free numbers are paid for by the recipient rather than the caller, making them particularly popular among call centers and other ...

  7. National conventions for writing telephone numbers - Wikipedia

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

    However, calls from landlines to non-local mobile numbers need to be prefixed with 0. Toll Free: These are usually ten digit numbers beginning with 1-800. Sometimes they are accessible (or are toll-free) only when called from the government-owned telephone corporation, BSNL/MTNL.

  8. Toll-free telephone numbers in the North American Numbering ...

    en.wikipedia.org/wiki/Toll-free_telephone...

    Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special dialing code in the group NXX for various other purposes.

  9. Telephone numbers in India - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_India

    Airtel. 4. MTS / HFCL. 5. Tata Indicom. 6. Datacom Solutions. 7. For example, a number formatted in the style (020) 3xxx-xxxx represents a fixed-line number in Pune operated by Jio, while (011) 2xxx-xxxx is a fixed-line number in Delhi operated by MTNL, and (07582) 2xx-xxx is a fixed-line number in Sagar, Madhya Pradesh operated by BSNL.