TIM Participações S.A., through its subsidiaries, provides mobile telecommunication services for residential and business customers in Brazil. The company offers mobile, fixed, and long distance telephony; data transmission; and broadband services. It provides prepaid, post-paid, and control plan services; and value-added services, including short message services or text messaging, multimedia messaging services, push-mail, video call, WAP downloads, Web browsing, business data solutions, mobile-learning services, wellness services, songs, ring-back tones, applications, voicemail, conference calling, chats, and other content. The company also sells various mobile handsets and accessories through its dealer network, which includes its own stores, exclusive franchises, authorized dealers, and department stores; and offers co-billing services to other telecommunication service providers. In addition, it provides products for mobile banking, insurance, mobile payment, and mobile money; and TIM Itaucard, a co-branded credit card. As of December 31, 2014, it served a subscriber base of 75.7 million clients; and had approximately 1,630 points of sales, including 173 company owned stores, as well as had 450,000 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. operates as a subsidiary of Tim Brasil Serviços e Participações S.A.