The necessity of rendering banking services and expanding financial postal services throughout the country, especially in undeveloped cities and remote and deprived areas, as well as meeting banking needs of people, reducing the unnecessary traffic and saving time for achieving such services, preventing nonessential expenses, caused the Islamic Consultative Assembly to ratify the establishment of Post Bank of Iran (PBI) as an independent organization on the September 10, 1995. Therefore, PBI commenced its activities on the basis of its Article of Association as an independent organization under the supervision of the ministry of information technology and communication and Central Bank of Iran (CBI) on December 21, 1996. PBI as one of the principal organizations of the ministry of information technology and communication plays a major role in providing all kinds of banking services.
Now, this new institution is regarded as the most extensive banking network with opening up 400 branches and 14,500 ICT offices and gives the innovative banking services to the customers.