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Congstar GmbH is a mobile network operator headquartered in Cologne, Germany. The company is a subsidiary of Telekom Deutschland, and specializes in discount mobile phone service marketed to younger people. In August 2014, Congstar's services had approximately 3.4 million users.[1]

See also[edit]


  1. ^ Winter, Marie-Anne (18 August 2014). "congstar ist die Nr. 3 im deutschen Discount-Markt" [Congstar is number three in the German discount market]. (in German). Retrieved 22 November 2014.