The Area Codes of Mongolia: City/Town or RegionArea code 1.Chandmani4356 (+976 4356) 2.Chandmani (Zeegt)4856 (+976 4856) 3.Chandmani-Öndör3863 (+976 3863) 4.Choibalsan5853 (+976 5853) 5.Choibalsan city582 (+976 582) 6.Choir city (Sümber sum)542 (+976 542) 7.Chuluunkhoroot5854 (+976 5854) 8.Chuluut3358 (+976 3358)