How to call British Indian Ocean Territory: country code +246
The country code for British Indian Ocean Territory is +246. From a mobile phone, press +, then 246 and the number. From a landline, start with your own country's exit code.
Local time in British Indian Ocean Territory: --:--
Dial British Indian Ocean Territory from
From the United States, dial 011 (the exit code from the United States), then 246 (the country code for British Indian Ocean Territory), then the full number: numbers in British Indian Ocean Territory have no trunk prefix to drop.
Calling British Indian Ocean Territory from common countries
| Calling from | What to dial |
|---|---|
| From United States | Dial 011 (the exit code from the United States), then 246 (the country code for British Indian Ocean Territory), then the full number: numbers in British Indian Ocean Territory have no trunk prefix to drop. |
| From United Kingdom | Dial 00 (the exit code from the United Kingdom), then 246 (the country code for British Indian Ocean Territory), then the full number: numbers in British Indian Ocean Territory have no trunk prefix to drop. |
| From Canada | Dial 011 (the exit code from Canada), then 246 (the country code for British Indian Ocean Territory), then the full number: numbers in British Indian Ocean Territory have no trunk prefix to drop. |
| From Australia | Dial 0011 (the exit code from Australia), then 246 (the country code for British Indian Ocean Territory), then the full number: numbers in British Indian Ocean Territory have no trunk prefix to drop. |
| From India | Dial 00 (the exit code from India), then 246 (the country code for British Indian Ocean Territory), then the full number: numbers in British Indian Ocean Territory have no trunk prefix to drop. |
| From any mobile | Press +, then 246, then the number. |
Codes for British Indian Ocean Territory
| Country code | +246 |
|---|---|
| Exit code (to call abroad from British Indian Ocean Territory) | 00 |
| Trunk prefix | none |
| Time zone | Indian/Chagos |
Numbers in British Indian Ocean Territory have no trunk prefix: you dial every digit, from home or abroad.
Example number
| Type | Dialed inside British Indian Ocean Territory | Written for the world |
|---|---|---|
| Landline | 370 9100 | +246 370 9100 |
| Mobile | 380 1234 | +246 380 1234 |
Example formats from the official numbering plans, not real numbers.
Questions people ask
What is the country code for British Indian Ocean Territory?
The country code for British Indian Ocean Territory is +246.
How do I call British Indian Ocean Territory from the United States?
From the US, dial 011 (the exit code from the United States), then 246 (the country code for British Indian Ocean Territory), then the full number: numbers in British Indian Ocean Territory have no trunk prefix to drop.
What is the exit code for calling abroad from British Indian Ocean Territory?
To call another country from British Indian Ocean Territory, dial 00 first. From a mobile you can press + instead.
What time is it in British Indian Ocean Territory now?
The clock on this page shows the current local time in British Indian Ocean Territory and whether it is a good time to call.
Related: all country codes · time in British Indian Ocean Territory · time zone converter · meeting planner
Last updated October 21, 2026. Numbering data: ITU-T E.164 country codes via Google's libphonenumber; local time from the IANA time zone database.