Telkom Plaza Semarang is one of the services PT. Telecommunications Indonesia is located on Jl. 10 Pahlawan Semarang. Telkom Plaza Semarang is a place where consumers do a variety of needs ranging from additional services and asked complaints relating to Telkom products. To increase of the consumer's satisfaction of Plasa Telkom Semarang by way of service quality. According to the consumer at the time of Semarang Plasa Telkom would perform migration regristasi cards, many customer service that the amount is less. The presence of visitors waiting in line but the amount of customer service at PlasaTelkom numbers are less, this led to long queues and ineffective. Perceived service quality is quite important for the survival of the company. If the quality of service to the consumer good, then customer satisfaction will be created. A growing number ofconsumers who are satisfied, a growing number of consumers who use the services of Telkom. The data aggregation method uses questioner, and literature review. In this research, the sampling method used is the purposive sampling with 100 sample from 3000 population. The analysis method used is the validation test, reliability test, multiple linear regression, T test, F test. Determination coefficient with SPSS 22.0 Based on the result of the DAT analysis, it is obtainable the regression equation as follow: Y = 0,887 + 0,166X1 + 0,191X2 + 0,149X3 + 0,234X4 + 0,191X5 From the regression equation above it can be concluded that the service quality (tangible, responsiveness, reliability, emphaty, and assurance) affect significantly to the consumer's satisfaction with the determinant coefficient 66% while 34% is explained by another variable which is not observed. Based on the result of the analysis, it can be concluded that there is a significant effect the service quality toward the consumer's satisfaction of Plasa Telkom Semarang. It means that if the service quality are increased, it will increase the consumer's satisfaction highly.