U.S. Cellular

The United States Cellular Corporation, or short U.S. Cellular, is an American mobile phone companies. With 6.1 million customers, it is in the U.S. mobile market in terms of subscribers the sixth largest competitors behind rivals Verizon Wireless, AT & T Mobility, Sprint Nextel, T-Mobile USA, and MetroPCS (as of 2009 ).

Currently operates U.S. Cellular a CDMA2000 cellular network in 126 regional markets in 26 U.S. states, the geographic focus is primarily in the Northwest, Midwest and Northeast of the United States. About roaming agreements with other network operators offered services are available to customers throughout the U.S. and internationally available.

Since its inception in 1983, the Company operated an AMPS cellular network. By the year 2002, when the transition was initiated on the CDMA technology, the number of customers to grow ( by acquiring smaller local mobile network operators ) to 4 million. As of 2009, the upgrade of the CDMA network with EV -DO standard, which allows for faster data transfers. The launch of an LTE service is planned for late 2011.

The company is owned 83% of the Group Telephone and Data Systems. This operation in the 90 's, when the U.S. mobile market was highly fragmented, under the name "Aerial Communications " is also a GSM network, which ultimately but at VoiceStream ( the predecessor company of T- Mobile USA) was sold.

In several market surveys U.S. Cellular is referred to as mobile vendors with the highest customer satisfaction and connection quality in the USA. On the product side, the company also tries to emphasize by incoming connections not (as is usual in the U.S. ) will be charged to the customer.