The +90 850 222 00 00 is the direct line number and the passengers can contact on the same number for any of the queries.
You can also visit - Atlas Global Customer Care Page
Address
Şenlikköy Mah.Yeşilköy Cad. No 9/A Florya Bakırköy / İstanbul / TURKEY
24/7 Call Center Services - 0850 222 00 00