This research work is called Communication network to optimize the quality of user service in decentralized agencies - municipality Chiclayo 2019, which aims to design a communication network for interconnection of decentralized agencies to improve communication and service of the municipality Chiclayo 2019. The implementation and articulation to integrate the communication network to the information technology service, among the decentralized agencies to achieve communication coverage and improvement in the administration and user service. For this research, the instruments used for the collection of information are in accordance with the objectives to be achieved during the research process and that allow obtaining the necessary information for the basis of the research. It is intended to provide the solution to the problems of communications and control of the same in the entity, with an adequate and scalable technological architecture that will serve as the basis for future projects in technology and others that rely on the use of ICT services. All this according to the mission of the entity framed within the regulations of the state reform and sustainable development.