How to call British Indian Ocean Territory using the international calling code +246 and area code.
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Example numbers for British Indian Ocean Territory:
Your local time
—:—
Time in British Indian Ocean Territory
—:—
Code
+246
ISO
IO
Region
Indian Ocean
Time zone
Indian/Chagos
Every British Indian Ocean Territory number in international format follows this shape — colour-coded so you can see where the country code ends and the local number begins.
When dialing British Indian Ocean Territory from abroad, the only fixed part is +246 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside British Indian Ocean Territory.
+XXX XXX XXXX
Dial the country code +246, then the full mobile number.
Example: +246 380 1234
+246 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
Enter the country code +246 when dialing British Indian Ocean Territory from abroad.
Add the local phone number without the leading zero.
Use TwinPhone to connect the call at low per-minute rates.
British Indian Ocean Territory's international country code is +246. It was assigned by the International Telecommunication Union under recommendation E.164 and is the dialing prefix at the start of every British Indian Ocean Territory phone number written in international format.
You'll often see +246 referred to in search as the "246 area code". Strictly speaking, +246 is a country code — area codes are sub-national, used inside British Indian Ocean Territory. The practical meaning is the same: any number starting with +246 or 00246 is a British Indian Ocean Territory number.
TwinPhone routes calls to every +246 number directly from your browser — no app, no SIM card, no calling card. Type +246 followed by the local number, press call, and you're connected.
Dialing codes immediately above and below +246 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Everything you need to know about TwinPhone.
The country code (international dialing code) for British Indian Ocean Territory is +246. To call British Indian Ocean Territory from abroad, dial +246 followed by the national number without its leading zero.
+246 is British Indian Ocean Territory's international country calling code under the ITU E.164 plan — often searched as the "246 area code". Any phone number starting with +246 is a British Indian Ocean Territory number.
From TwinPhone, just type +246 and the number — we connect it. From a landline, dial your exit code, then +246, then the number without the leading 0.
British Indian Ocean Territory's current local time is shown live on this page. Check it before calling so you reach people during waking hours.
No. TwinPhone works directly in your browser — Chrome, Edge, Safari, or Brave. Open the site, add credit, dial +246 and your number, done. No installs, no plugins, no SIM card required.
Yes! Virtual numbers in British Indian Ocean Territory start at $1.95/month. Use it as your caller ID so people see a local number, or receive incoming calls directly in your browser.
Every call uses industry-standard transport encryption (TLS + SRTP). We don't sell your data or share your call history. We don't record calls unless you explicitly enable recording.
TwinPhone uses adaptive audio technology that adjusts to your connection quality. Even on slow or unstable Wi-Fi — airport, hotel, coffee shop — your call stays connected and audible.
Dial British Indian Ocean Territory from your browser — pay only for what you call.
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