Dialing telephone calls from Chad to British Indian Ocean Territory
15
▶ 246
▶ local number
Step-by-step
15
▼ This IDD (International Direct Dial) prefix tells the phone system in Chad that you are dialing an international number.
246
▼ Country code for British Indian Ocean Territory.
There are no area/city codes in British Indian Ocean Territory.
local number
Notes
If you are calling from a hotel or office phone system, additional steps may be required.