Most businesses, especially service companies utilize programs to increase customer satisfaction and customer loyalty to prevent their customers from buying from the others. However, the success of these programs has not yet been proven. Therefore we investigate the relationship between loyalty programs, customer satisfaction and customer loyalty for mobile telecommunication company of Iran (MCI), also known under its brand name Hamrah-e-Aval, which makes up our statistical community and its size is infinity. The sample size was calculated 384 people based on Cochran's formula. In this research the sampling method was targeted. The data collection tool was a 26-question survey. In the present study, after collecting surveys, the questions were coded and data analysis was performed with SPSS software which is specific to statistical tests in the social sciences. At the level of descriptive data analysis, frequency distribution tables, percentage tables, extraction of graphical data (circular and columnar data) and descriptive comparisons have been used. In order to investigate the relationship between variables, to examine the hypotheses, to find meaningful relationships and to prove or reject them, and to answer the research questions, statistical methods and different tests were used by using the SPSS and SMARTPLS softwares as will be mentioned later. Findings show that there is a positive and meaningful relationship between loyalty programs, customer satisfaction and customer loyalty. The findings confirmed the main and secondary hypotheses as follow: main hypotheses that there is a positive relationship between loyalty programs and customer satisfaction and also there is a positive relationship between loyalty programs and customer loyalty. Secondary hypotheses that there is a positive relationship between special discounts and customer satisfaction, There is a positive relationship between rewards and customer satisfaction, There is a positive relationship between scores exchanges and customer satisfaction, There is a positive relationship between special discounts and customer loyalty, There is a positive relationship between rewards and customer loyalty and also there is a positive relationship between scores exchanges and customer loyalty.