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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 ]
Guanfacine, sold under the brand name Tenex (immediate-release) and Intuniv (extended-release) among others, is an oral alpha-2a agonist medication used to treat attention deficit hyperactivity disorder (ADHD) and high blood pressure. [3] [10] Common side effects include sleepiness, constipation, and dry mouth. [10]
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.
In the following states and regions, the primary local carrier is not an RBOC: Lumen Technologies, in addition to its role as the BOC in the areas of 14 states gained from its acquisition of Qwest, Lumen serves other non-ex-Bell local exchanges in those states, as well as some in Florida and the Las Vegas metropolitan area in Nevada.
Tenex, a brand name for the medication guanfacine, a sympatholytic used to treat hypertension, ADHD and anxiety; Tenex, a brand name for .22 LR ammunition manufactured by Eley Limited and widely used in high level competition such as the ISSF World Cup and Olympic Games; 10X, an alternative name for superfine powdered sugar or confectioner's sugar
The additional demands for PCS and cellular phone numbers helped necessitate the 831/408 area code split, the 650/415 split, and the earlier 510/415 split. Part of the previous dialing plan included a mass calling prefix for radio station contests, introduced in the 1960s because some contests put unacceptable loads on the Bay Area's telephone ...
As of 2018, there were an estimated 43,497,261 million mobile phone subscribers out of an estimated population of 53,853,702 people, representing an 80.77 percent penetration rate. [2] At the same time, the country's internet customers numbered 22,281,727, representing a 41.37 percent penetration rate. [2]
The three area codes are overlay codes for one numbering plan area, among which 410 was the initial area code for the NPA, when it was split from area code 301 in 1991. 443 and 667 found assignment primarily in cellular service and for competitive local exchange carriers, such as Comcast and Cavalier Telephone, when introduced, but have since ...