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This is a list of mobile network operators (MNOs) in the United States. The Cellular Telecommunications & Internet Association (CTIA), lists approximately 30 facilities-based wireless service providers in the United States as members. Competitive Carriers Association (CCA) has over 100 members. [1]
A multiple-system operator (MSO) is an operator of multiple cable or direct-broadcast satellite television systems. A cable system in the United States, by Federal Communications Commission (FCC) definition, is a facility serving a single community or a distinct governmental entity, each of which has its own franchise agreement with the cable company.
US MCC; UMTS shut down July 2022 [110] 310: 280: AT&T: AT&T Mobility: Not operational: GSM 1900: Former Centennial Puerto Rico; US MCC [85] [14] 313: 510: Puerto Rico Telecom Company: Unknown: Unknown: Uses US MCC [111] [112] 313: 790: Liberty: Liberty Cablevision of Puerto Rico LLC: Operational: LTE 700 / LTE 850 / LTE 1700 / LTE 1900 / LTE ...
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.
A competitive local exchange carrier (CLEC), in the United States and Canada, is a telecommunications provider company (sometimes called a "carrier") competing with other, already established carriers, generally the incumbent local exchange carrier (ILEC).
As of March 2021, there are over 33 million wireless subscriptions in Canada. [1] Approximately 90% of Canadian mobile phone users subscribe to one of the four largest national telecommunication companies (Rogers Wireless, Telus Mobility, Bell Mobility and Freedom Mobile) or one of their subsidiary brands.
X.400 is a suite of ITU-T recommendations that define the ITU-T Message Handling System (MHS).. At one time, the designers of X.400 were expecting it to be the predominant form of email, but this role has been taken by the SMTP-based Internet e-mail. [1]
MSISDN (/ ˈ ɛ m ɛ s aɪ ɛ s d iː ɛ n / MISS-den) is a number uniquely identifying a subscription in a Global System for Mobile communications or a Universal Mobile Telecommunications System mobile network. It is the mapping of the telephone number to the subscriber identity module in a mobile or cellular phone.