British Indian Ocean Territory country code, +246 explained.
The British Indian Ocean Territory (BIOT), centered on the Diego Garcia atoll, is one of the world's most restricted calling destinations — a remote archipelago in the Indian Ocean serving primarily as a joint UK-US military installation.
Full dial format
+246 XXX XXXXXXX
British Indian Ocean Territory
IO
2 Digit ISO
+246
Country Calling Code
IOT
3 Digit ISO
Capital
Diego Garcia
--:--
Saturday, July 18, 2026
Time Zone
Indian/Chagos
Weather · Diego Garcia
Humidity
—
Wind
—
How To Call British Indian Ocean Territory: Country Code +246
Calling British Indian Ocean Territory from abroad is simple. Just follow these four steps to connect.
Know Your Exit Code
Every country has an exit code for international calls. In the US it is "011". Look yours up online — it takes seconds.
Dial British Indian Ocean Territory Country Code
Dial +246 right after your exit code. This is the country code for British Indian Ocean Territory.
Find the Area Code
Cities in British Indian Ocean Territory use different area codes. Find the one for the place you are calling.
Dial the Local Phone Number
Enter the 6–8 digit number of the person or business you want to reach.
Example
To call a friend in a British Indian Ocean Territorycity with the area code and local number, you'd dial (from the US): 011 · +246 · [area code] · [local number]
Or use +246 directly on mobile — no exit code needed.
British Indian Ocean Territory — Key Facts & Calling Guide
Everything you need before dialing British Indian Ocean Territory.
Country Details
- Country Code+246
- CapitalDiego Garcia
- RegionAsia
- TimezoneIndian/Chagos
- Numbering ZoneZone 2
- Code LengthN/A
How to Dial British Indian Ocean Territory
- 1Dial your exit code (e.g. 011 from the US, 00 from Europe).
- 2Add the country code: +246.
- 3Enter the area code, if the city requires one.
- 4Dial the local subscriber number.
Full Dial Format
Exit Code + 246 + Area + Number
Additional Tips
A few things to keep in mind before you dial British Indian Ocean Territory — from mobile prefixes to timing your call just right.
Mobile Phones
Drop the leading "0" in the area code and dial directly after +246 when reaching mobiles in British Indian Ocean Territory.
Cost
International calls to British Indian Ocean Territory can cost more than domestic ones — use Teloz VoIP for carrier-grade rates.
Time Differences
British Indian Ocean Territory runs on Indian/Chagos. It's currently --:-- there — call at a sensible local hour.
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Live country statistics for British Indian Ocean Territory — population, economy and connectivity at a glance.
Capital
Diego Garcia
Population
Area
GDP
Telephones
Mobile Phones
Internet Users
Internet Penetration
Figures reflect the most recent available year · Source: World Bank Open Data
Benefits
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Ease of Use
Quickly find the information you need for British Indian Ocean Territory — country code, dialing steps, local time and more — without complex searches.
Comprehensive
Access British Indian Ocean Territory's country code +246, live weather, capital stats, GDP, connectivity data and more — all in one place.
Accurate & Up-to-date
We pull live data from trusted sources — World Bank, Open-Meteo and ITU — so your British Indian Ocean Territory information is always current.
With a little preparation, you can confidently call British Indian Ocean Territory. Remember your exit code, British Indian Ocean Territory country code +246, and find the right area code for your destination. Teloz makes international calling simple — with carrier-grade quality, 500+ direct interconnects, and coverage in 100+ countries. Explore our resources for seamless international communication.
British Indian Ocean Territory calling, explained.
Everything you need to dial British Indian Ocean Territory with confidence.
Other Asia Country Codes
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