Center Region
Branches : Isfahan , Markazi , Yazd , Chaharmahal and Bakhtiari
North Region
Branches : Mazandaran , Gilan , Ardebil , Golestan
North West Region
Branches : West Azerbaijan , East Azerbaijan
North East Region
Branches : Razavi Khorasan, North Khorasan , South Khorasan
South Region
Branches : Fars , Bushehr , Kohgiluyeh and Boyer-Ahmad
South West Region
Branches : Khuzestan , Lorestan , Ilam
South East Region
Branches : Sistan and Baluchestan , Hormozgan , Kerman
West Region
Branches : Hamedan
Qazvin
Branches : Alborz , Zanjan
Tehran Region
Tehran , Qom , Semnan