This study examined the impact of information and communication technology on the Algerian banks activities, we chose sample of seven banks they are BNA, CPA, BEA, BADR, CNEP, SGA, BNP. A total enumeration sampling technique was used to select the Algerian banks agencies whose provide response to a structured questionnaire, Data collected were analyzed using of Statistical Package for Social Sciences (SPSS) software version 20, The findings of the study indicated that the use of ICT increases productivity and improving service quality, improving dealings with banks, IT saves the time of the customers and the employees conspicuously, and gain customer loyalty.