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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.
For example: should a subscriber travel beyond their cell phone company's transmitter range, their cell phone would automatically utilize another phone company's service, if available. The process is supported by the Telecommunication processes of mobility management, authentication , authorization and accounting billing procedures (known as ...
AT&T Prepaid (stylized AT&T PREPAID; formerly GoPhone) is a prepaid mobile phone service from AT&T Mobility. The GoPhone name and product were originally conceived and implemented by McCaw Cellular by its founder Craig McCaw and first used in commerce in 1987 by his company.
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Acquired by Verizon Wireless and AT&T Mobility. [39] AT&T Wireless Services: GSM: EDGE: 22: October 2004: Acquired by Cingular Wireless, which later rebranded to AT&T Mobility. [40] 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 ...
US Mobile is an American mobile virtual network operator (MVNO) that uses the T-Mobile, Verizon Wireless, and AT&T networks (branded as "Light Speed", "Warp", and "Dark Star" respectively) to provide talk, text, and data services to their customers. US Mobile has over 1,000,000 customers as of 2024.
AT&T: AT&T Mobility: Not operational: GSM 850 / GSM 1900 / UMTS 850 / UMTS 1900: Former AT&T Wireless Services, [84] then Cingular Wireless (known as "Cingular Blue") [111] [14] 310: 390: Cellular One of East Texas: TX-11 Acquisition, LLC: Operational: GSM 850 / LTE 700 / CDMA: Former Yorkville Telephone Cooperative [84] [87] 310: 400: IT&E ...
Several cases of Sprint phones simultaneously roaming on Verizon's CDMA network for voice and AT&T's LTE network for data were observed in 2017. In 2018, with the announcement of the Sprint and T-Mobile merger, Sprint gained access to roaming on T-Mobile's LTE network until the Sprint network was discontinued.
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