Country calling code

British Indian Ocean Territory country code: +246

To call British Indian Ocean Territory from another country, dial your exit code, then 246, then the national number. A British Indian Ocean Territory mobile number dialled from abroad looks like +246 380 1234.

Country code: +246
Exit code (IDD): 00
Trunk prefix: None
Mobile number length: 7 digits
ISO country code: IO
Time zone: UTC+6
Capital: Diego Garcia
Currency: USD

How to call British Indian Ocean Territory

1
Dial the exit code of the country you are in. 011 in the US and Canada, 00 in the UK and most of Europe, 0011 in Australia. On a mobile phone, press and hold 0 to type + instead.
2
Dial 246, the country code of British Indian Ocean Territory.
3
Dial the local number.

Calling from	You dial
Inside British Indian Ocean Territory	380 1234
Any mobile phone	+246 380 1234
United States or Canada	011 246 380 1234
UK, Germany, India and most countries	00 246 380 1234
Australia	0011 246 380 1234
Japan	010 246 380 1234

Example with the British Indian Ocean Territory sample number +2463801234.

Calling abroad from British Indian Ocean Territory

Dial the exit code 00, then the country code and the number. To call the US from British Indian Ocean Territory: 00 1 + area code + number.

British Indian Ocean Territory phone number format

Example numbers for each number type, written the way they are dialled inside British Indian Ocean Territory and from abroad. The length counts the digits after the country code.

Type	National format	International format	E.164	Digits
Mobile	380 1234	+246 380 1234	+2463801234	7
Landline	370 9100	+246 370 9100	+2463709100	7

British Indian Ocean Territory country code: FAQ

What is the country code of British Indian Ocean Territory?

The country calling code of British Indian Ocean Territory is +246.

How do I call British Indian Ocean Territory from abroad?

Dial your exit code (011 from the US and Canada, 00 from most of Europe, or simply + on a mobile phone), then 246, then the local number without the leading %!s(). Example: +246 380 1234.

What is the exit code for international calls from British Indian Ocean Territory?

To call another country from British Indian Ocean Territory, dial 00, then the other country's code and number. On mobile phones you can always use + instead.

How many digits does a British Indian Ocean Territory mobile number have?

Mobile numbers in British Indian Ocean Territory have 7 digits after the country code (without the trunk prefix), for example +246 380 1234.

How can I check if a British Indian Ocean Territory phone number is valid?

Enter the number in the checker on this page. It checks the length and number ranges of British Indian Ocean Territory offline. To verify numbers in bulk or from your own software, use the numlookupapi phone validation API.

Phone number API

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numlookupapi checks any phone number worldwide in one request and returns validity, line type, carrier, location and every standard format as JSON.

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GET https://api.numlookupapi.com/v1/validate/+2463801234

{
  "valid": true,
  "international_format": "+2463801234",
  "country_prefix": "+246",
  "country_code": "IO",
  "line_type": "mobile",
  "carrier": "…",
  "e164_format": "+2463801234",
  "national_format": "380 1234"
}