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  2. List of mobile network operators in the United States

    en.wikipedia.org/wiki/List_of_mobile_network...

    Big Sky Mobile: GSM: EDGE: Unknown: 2017: Sold spectrum licenses to AT&T and T-Mobile and exited the business. [41] Blaze Wireless: GSM, UMTS: EDGE, HSPA+, LTE: Unknown: December 2019: Parent company, Pinpoint Communications, discontinued cellular service and spectrum leases through Viaero Wireless were cancelled. Blue Wireless: CDMA2000: EV-DO ...

  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. iWireless - Wikipedia

    en.wikipedia.org/wiki/IWireless

    Iowa Wireless Services LLC, doing business as iWireless, was a mobile network operator founded in 1997, not related to Kroger's service.Headquartered in Urbandale, Iowa, iWireless was a partnership between T-Mobile US, Inc. and Iowa Network Services Inc. [1] iWireless owned licenses to operate GSM cellular networks in the PCS-1900 and AWS-1700 radio frequency bands covering Iowa, southwestern ...

  5. Local number portability - Wikipedia

    en.wikipedia.org/wiki/Local_number_portability

    The user wakes up using a new SIM-card from the new cell provider while keeping the number. In the mature Spanish cell phone market (as of June 2007, with 107 lines per 100 inhabitants [49]), portability has been widely used by the competing carriers as a way to steal each other's customers, usually offering them free handsets or extra credit.

  6. SIM card - Wikipedia

    en.wikipedia.org/wiki/SIM_card

    A typical SIM card (mini-SIM with micro-SIM cutout) A SIM card or SIM (Subscriber Identity Module) is an integrated circuit (IC) intended to securely store an international mobile subscriber identity (IMSI) number and its related key, which are used to identify and authenticate subscribers on mobile telephone devices (such as mobile phones and laptops).

  7. Get Support-AOL Help

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    Get answers to your AOL Mail, login, Desktop Gold, AOL app, password and subscription questions. Find the support options to contact customer care by email, chat, or phone number.

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