TIM Participações S.A., through its subsidiaries, provides telecommunication services in Brazil. The company offers mobile, fixed, and long distance telephony; data transmission; and Internet services. It provides prepaid; post paid; and various value-added services, including short message services or text messaging, multimedia messaging services, push-mail, Blackberry services, video call, turbo mail, WAP downloads, Web browsing, business data solutions, songs, games, TV access, voicemail, conference calling, chats, and other content and services. The company also offers co-billing services to other telecommunication service providers; and sells various mobile handsets and accessories through its dealer network, which includes its own stores, exclusive franchises, authorized dealers, and department stores. In addition, TIM Participações S.A. provides products for mobile banking, insurance, mobile payment, and mobile money; and TIM Itaucard, a co-branded credit card. As of December 31, 2013, it served a subscriber base of 73.4 million clients; and had approximately 11,000 points of sales and 163 company owned stores, as well as had 336,000 prepaid recharge stations. The company was formerly known as Tele Celular Sul Participações S.A., and changed its name to TIM Participações S.A. in August 2004. The company was founded in 1998 and is headquartered in Rio de Janeiro, Brazil. TIM Participações S.A. is a subsidiary of TIM Brasil Serviços e Participações S.A.