Asia · Country code
British Indian Ocean Territory Country Code +246
+246 is the international calling code for the British Indian Ocean Territory. Most phone numbers there have 7 digits, written 380 1234 inside the British Indian Ocean Territory and +246 380 1234 from abroad. Below: how to dial it, its networks and time zones.
Phone numbers in the British Indian Ocean Territory at a glance
- Country calling code
- +246
- International dialing prefix
- 00 (or +)
- Trunk prefix (calls inside the country)
- None
- Number length
- 7 digits
- Example mobile, from abroad
- +246 380 1234
- Same number, inside the country
- 380 1234
- Time zone
- Indian Ocean Time (Indian/Chagos)
- Capital
- Diego Garcia
- Languages
- English
- Currency
- USD
- ISO country code
- IO
How to call the British Indian Ocean Territory
From another country
- Dial your country's exit code, or press + on a mobile.
- Dial the country code 246.
- Dial the number.
+246 380 1234
From inside the British Indian Ocean Territory
Dial the number as it is written. The country code is not needed.
380 1234
To call out of the British Indian Ocean Territory, start with 00 (or +).
Types of phone number in the British Indian Ocean Territory
The numbering plan reserves ranges for landline and mobile numbers. Mobile numbers have 7 digits. What each line type means.
Networks with number ranges in the British Indian Ocean Territory
These networks were first allocated number ranges in the British Indian Ocean Territory, the ones with the most ranges first. Numbers can be moved between networks, so a number may no longer be with the network it started on.
- Sure Ltd
Look up a phone number from the British Indian Ocean Territory
Enter any number with +246, or just its digits: it shows the line type, place, network, time zone and every format. Free and private.
Phone numbers in the British Indian Ocean Territory: frequently asked questions
What is the country code for the British Indian Ocean Territory?
The country calling code for the British Indian Ocean Territory is +246. Put it in front of the number when you call the British Indian Ocean Territory from another country.
How do I call the British Indian Ocean Territory from abroad?
Dial your country's international access code (or press + on a mobile phone), then 246, then the number. For example, 380 1234 inside the British Indian Ocean Territory is dialled as +246 380 1234 from abroad.
How many digits does a phone number in the British Indian Ocean Territory have?
Most phone numbers in the British Indian Ocean Territory have 7 digits after the country code.
What is the international dialing prefix in the British Indian Ocean Territory?
To call another country from the British Indian Ocean Territory, dial 00, then the country code you are calling, then the number. On a mobile phone you can press + instead of 00.
Which mobile networks have phone numbers in the British Indian Ocean Territory?
Number ranges in the British Indian Ocean Territory were first allocated to networks including Sure Ltd. People can move their number to another network, so the one a number started on may not be the one it uses today.
What time zone is the British Indian Ocean Territory in?
The British Indian Ocean Territory is on Indian Ocean Time. A phone number carries no time information, so check the time there before you call.
Can I look up a phone number from the British Indian Ocean Territory?
Yes. Enter any number with +246, or choose British Indian Ocean Territory as the country, in the free phone number lookup. It shows the line type (mobile, landline, VoIP, toll-free), the place and network it was issued to, its time zone and every format of the number.