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  2. Telephone numbers in Singapore - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Singapore

    Until 1985, subscribers' telephone numbers in Singapore were five and six digits. Five digits were introduced in 1960s, whereas 5-digit and 6-digit phone numbers were introduced in 1960s as fixed lines grew, but in that year, these changed to seven digits as the introduction of new towns arose (Tampines, Jurong East, Bukit Batok, Yishun and Hougang) and a large number of new numbers were required.

  3. Telephone number verification - Wikipedia

    en.wikipedia.org/wiki/Telephone_number_verification

    Telephone number verification. Telephone number verification (or validation) services are online services used to establish whether a given telephone number is in service. They may include a form of Turing test to further determine if a human answers or answering equipment such as a modem, fax, voice mMail or answering machine.

  4. 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).

  5. Telecommunications in Singapore - Wikipedia

    en.wikipedia.org/.../Telecommunications_in_Singapore

    As of 1998, there were almost 55 million phone lines in Singapore, close to 47 million of which also served other telecommunication devices like computers and facsimile machines. Underwater telephone cables have been laid that lead to Malaysia, the Philippines and Indonesia. In 2002, Virgin Mobile in a joint venture with Singtel, set up the ...

  6. Singtel - Wikipedia

    en.wikipedia.org/wiki/Singtel

    The company is the largest mobile network operator in Singapore with 4.1 million subscribers and through subsidiaries, has a combined mobile subscriber base of 770 million customers as of 31 March 2022. [4][5][6][7] The company was known as Telecommunications Equipment until 1995. Singtel provides ISP, IPTV (Singtel TV) and mobile phone ...

  7. Simba Telecom - Wikipedia

    en.wikipedia.org/wiki/SIMBA_Telecom

    SIMBA Telecom Pte Ltd, formerly known as TPG Singapore, is a Singaporean telecommunications company and one of four major telecommunication company operating in the country. TPG Singapore was founded in 2016 by Australian businessman David Teoh after winning an auction from Infocomm Media Development Authority (IMDA) for its airwaves rights.

  8. Telephone numbers in Ghana - Wikipedia

    en.wikipedia.org/wiki/Telephone_numbers_in_Ghana

    Country code. +233. International access. 00. Long-distance. 0. 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 ...

  9. NCS Group - Wikipedia

    en.wikipedia.org/wiki/NCS_Group

    NCS Pte. Ltd. (also known as NCS Group, previously known as National Computer Systems) is a multinational information technology company headquartered in Singapore. Founded in 1981 as an agency of the Singapore government, it was privatised in 1996 and subsequently become part of the Singtel group in 1997. NCS has over 13,000 staff located in ...