| ISO-Id. | Ostan | Flagge | Quelle | counties | Bemerkungen |
|---|---|---|---|---|---|
| 252 | |||||
| IR-01 | Azarbayjan-e Shargi | 14 | |||
| IR-02 | Azarbayjan-e Gharbi | 12 | |||
| IR-03 | Ardabil | 6 | bis ca.1993 zu IR-01 | ||
| IR-04 | Esfahan | 17 | |||
| IR-05 | Ilam | 7 | |||
| IR-06 | Bushehr | 8 | |||
| IR-07 | Tehran | 9 | |||
| IR-08 | Chahrrmahal va Bakhiyari | 5 | |||
| IR-09 | Khorazan | 23 | s. IR-29 bis 31 | ||
| IR-10 | Khuzestan | 15 | |||
| IR-11 | Zanjan | 3 | |||
| IR-12 | Semnan | 4 | |||
| IR-13 | Sistan va Baluchestan | 7 | |||
| IR-14 | Fars | 16 | |||
| IR-15 | Kerman | 10 | |||
| IR-16 | Kordestan | 8 | |||
| IR-17 | Kermanshah | 11 | |||
| IR-18 | Kohgiloyeh va Boyer Ahmad | 3 | |||
| IR-19 | Gilan | 12 | |||
| IR-20 | Lorestan | 9 | |||
| IR-21 | Mazandaran | 13 | |||
| IR-22 | Markazi | 8 | |||
| IR-23 | Hormozgan | 8 | |||
| IR-24 | Hamadan | 8 | |||
| IR-25 | Yazd | 7 | |||
| IR-26 | Qom | 1 | bis ca.1995 zu IR-22 | ||
| IR-27 | Golestan | 6 | bis 31.05.1997 zu IR-21 | ||
| IR-28 | Qazvin | 2 | bis 31.12.1996 zu IR-11 | ||
| IR-29 | Khorasan-e Janubi | ||||
| IR-30 | Khorasan-e Razavi | ||||
| IR-31 | Khorasan-e Shemali |