Consumer satisfaction is an individual condition who feels the product's performance. Experience arising from using the product as part of consumer expectations. This expectation will lead to a feeling of hopelessness or dissatisfaction with product performance. This study uses expectation disconfirmation theory as a basis for thinking about customer satisfaction. The population in this study were all Telkomsel users in Belopa City, Luwu Regency, and Province of South Sulawesi with a total sample of 286 people. The sampling method used accidental sampling with a questionnaire as the main data collection tool. The data analysis used multiple linear regression analysis. The results showed that product quality, after-sales service and price perception as determinants of Telkomsel card customer satisfaction.