Branches Khazar Sea Golestan North Khorasan Razavi Khorasan South Khorasan Sistan-Baloochstan Kerman Fars Hormozgan Yazd Isfahan Semnan Khoozestan East Azarbayjan Persian Gulf Oman Sea Lorestan Kermanshah Mazandaran Gilan Ardabil Booshehr Zanjan Kordestan Hamedan Qazvin Markazi Qom Tehran Alborz Chaharmahal Bakhtiyari West Azarbayjan Ilam Kohkilooyeh Boyer Ahmad