Iran Air has launched codeshare service with Turkish Airlines, which Iran Air is displaying “IR” code on all Turkish Airlines’ service between Turkey and Iran. The codeshare service was launched on 23JUL12.

Codeshare routes as follows:

Ankara – Tehran
Istanbul – Mashad
Istanbul – Shiraz
Istanbul – Tabriz
Istanbul – Tehran

Codeshare flight number range is IR1872 – 1889 series