The present study deals with impact of service quality of telecommunication companies on customer satisfaction with respect to various factors such as Customer care service, Value added services and network connectivity. The study is based on primary data which has been collected by using questionnaire method. The final questionnaires were distributed among the 200 subscribers and 171 subscribers positively replied and filled the questionnaire. The data has been analyzed by using ANOVA test at 5% level of significance. The findings of the study indicates that all the factors of service such as Customer care service, Value added services and network connectivity having positive impact on customer satisfaction