Identity documents in Iran

Identity documents in Iran are official documents of Iranians identity and citizenship and are used to identification and authentication. From of the most important identity documents in Iran are the Iranian identity booklet () and the Iranian identity card (). Identity documents for foreign nationals are resident card and employment card.
Postal code in Iran.
Postal code is used to identify places. In Iran, the postal code is a 10-digit number, the first 5 digits representing the departure code (characteristic of the destination city) and the second 5 digits representing the distribution code (location characteristic of the destination). Its main use is to send letters or postal packages sent by the Iran Post Company. There are currently about 52 million different postcodes in Iran.
Postal code in Iran is issued by the General Geographical and Spatial Administration of the country under the supervision of the National Post Company.
The plan to allocate and use the 10-digit postal code was included in the agenda of the Government and the Islamic Consultative Assembly of Iran in 1991. Therefore, during a 5-year period, from 1991 to 1996, they began to collect statistics and informations, and in 1997, they announced 10-digit postal codes for all Iranian places and households.
Law of the allocation of national number and postal code.
In 1997, the law requiring the allocation of national numbers and postal codes to all Iranian citizens was approved: