One of the major changes that have been made in management is change in the attitude toward organization. Until the last few decades, organizations in order to achieve their objectives were used as a tool to create harmony among people and controlling them. But nowadays, organizations are considered in a broader perspective and special attention is paid to concepts such as culture and organizational communication. This study aims to assess the impact of organizational communication on managers' performance in government agencies of Astara. This study aims to identify the factors influencing organizational communication and also is about to evaluate the role of these factors on the performance of organizational managers which was conducted in the form of case study. In this context, the communication model of Vanra and Botherox (2006) has been used that in the form of four main premise components of appropriate information, correct information, timely information and quick information at 48 government agencies have been measured. The research findings indicate that on information, the greatest impact on the performance of the managers in government agencies in Astara is appropriate information which this factor strongly follows the latent variable of relationship with appropriate individuals, and other factors respectively fall into later stages. Key Words: Organizational Communication, Organizational Performance, Attitude toward Information Process, Appropriate Information, Correct Information, On Time Information, Quick Information.