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  2. List of mobile telephone prefixes by country - Wikipedia

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

    Mobile phones use geographic area codes. Exchanges may service on mobile devices; local numbers are portable between wired and wireless carriers. While area code 600 has been established as a non-geographic code that can be used by mobile phones, the only significant mobile usage has been for satellite phone service in remote regions. Cape ...

  3. List of mobile virtual network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_virtual...

    Mobile virtual network operators (MVNOs) in the United States lease wireless telephone and data service from the four major cellular carriers in the country—AT&T Mobility, Boost Mobile, T-Mobile US, and Verizon—and offer various levels of free and/or paid talk, text and data services to their customers.

  4. SIM Application Toolkit - Wikipedia

    en.wikipedia.org/wiki/SIM_Application_Toolkit

    SIM Application Toolkit (STK) is a standard of the GSM system which enables the subscriber identity module (SIM card) to initiate actions which can be used for various value-added services. [1] Similar standards exist for other network and card systems, with the USIM Application Toolkit (USAT) for USIMs used by newer-generation networks being ...

  5. Vodafone to offer free mobile connectivity to 200,000 ... - AOL

    www.aol.com/vodafone-offer-free-mobile...

    The mobile operator said it would offer Sim cards with 20GB of free data each month for six months, as well as access to free calls and texts. Vodafone to offer free mobile connectivity to 200,000 ...

  6. Toll-free telephone number - Wikipedia

    en.wikipedia.org/wiki/Toll-free_telephone_number

    Some small VOIP operators also cannot call toll free numbers. For example, 0701-xxx-xxx cannot call toll free numbers directly, but can call through a live operator by dialling "123" and have them redirect the call. In Thailand, for the Call Free, Free Call, Toll-Free, or Free Phone service, the format used is "1800-xxxxxx". Calls are free for ...

  7. Metro One Telecommunications - Wikipedia

    en.wikipedia.org/wiki/Metro_One_Telecommunications

    In March 2021, the company won the bid and acquired the assets of Israeli tech company Royal App Ltd and announced Bianca Meger as the CEO of Metro One Telecommunication. In November 2021, the company raised $1.98 million by their first post-bankruptcy deal selling common stock and warrants. [18] [19]

  8. Vodafone said it had made the world's first video call via satellite using a standard smartphone from a remote location, and it plans to roll out the technology for its users across Europe later ...

  9. Mobile number portability - Wikipedia

    en.wikipedia.org/wiki/Mobile_number_portability

    A key technical aspect of Mobile Number Portability (MNP) involves the routing of calls or mobile messages (SMS, MMS) to a number once it has been ported.Various call routing implementations exist globally, but the International and European best practice employs a central database (CDB) of ported numbers.