Your complete guide to dialling British Indian Ocean Territory from Diego Garcia to anywhere in the world — verified +246 country code, Indian/Chagos time zone, Asia region, ISO references, live local time and weather, plus a step-by-step walkthrough.
Calling
British Indian Ocean Territory
+246
Diego Garcia
Weather
HD voice signal
Alpha-2
IO
Alpha-3
IOT
British Indian Ocean Territory
IO
2 Digit ISO
+246
Country Calling Code
IOT
3 Digit ISO
Capital
Diego Garcia
Time zone
Indian/Chagos
Weather · Diego Garcia
Humidity
Wind
British Indian Ocean Territory
+246
Capital
Diego Garcia
Region
Asia
Time zone
Indian/Chagos
Coordinates
6.3° S, 71.9° E
ISO 3166-1
IO / IOT
Dial format
+246 [area] [number]
Current time in Diego Garcia
—:—
Best time to call: 09:00 – 17:00 Chagos
A complete international number is built from four parts. Here's the anatomy and the dialling order.
Number anatomy
Format follows ITU-T Recommendation E.164 the international public telecommunication numbering plan.
Press + on a mobile (hold the 0 key), or dial 00 from most countries / 011 from North America.
Dial +246. This identifies British Indian Ocean Territory on the global telephone network.
Type the first part of the local number. Drop the leading 0 if there is one.
The remaining digits route the call to the specific line in Diego Garcia or elsewhere.
To call British Indian Ocean Territory on WhatsApp, save the number with +246 and no exit prefix — WhatsApp dials from your contacts, not a dial pad. Voice and video calls are free over data.
Need an inbound British Indian Ocean Territory number?
TKOS provisions +246 DIDs and termination through direct carrier interconnects.
Whether you're reaching British Indian Ocean Territory for business or family, three habits keep every conversation crystal clear and a clean route from TKOS handles the rest.
Diego Garcia routes through East Africa can carry higher jitter — a headset with active noise cancellation compensates for audio artefacts without you needing to adjust anything.
Diego Garcia is ~4,716 km away — expect ~280ms round-trip. A wired ethernet connection keeps packet loss below 0.1%.
Schedule British Indian Ocean Territory calls during Diego Garcia business hours — 09:00–17:00 Indian/Chagos — your contact will be at their desk in a quiet space rather than taking the call on the move.
Capital
Diego Garcia
Population
3.0K
Area
60 km²
Currency
US Dollar (USD $)
Languages
English
Internet TLD
.io
Drive side
Left-hand traffic
Latitude / Longitude
6.34°S / 71.88°E
Time zone
Indian/Chagos
ISO 3166 codes
IO · IOT
Diego Garcia is a East Africa destination — TKOS routes direct via Indian Ocean submarine cable, cutting costs versus international hub routing.
Built on top of every British Indian Ocean Territory (+246) route quality, price, and people you can reach.
TKOS uses direct East Africa carrier interconnects terminating at Diego Garcia. Bypassing transit hubs keeps packet loss under 0.5% on every British Indian Ocean Territory route.
East Africa routes like British Indian Ocean Territory (Diego Garcia) carry high carrier markups — TKOS negotiates direct Diego Garcia interconnects to keep your rate down. Transparent per-minute rates for British Indian Ocean Territory (+246), no hidden fees.
Your account manager covers Indian/Chagos hours for British Indian Ocean Territory. Phone, email, and live chat — always online for Diego Garcia routes, day or night.
Everything a business or traveller needs to know before dialling British Indian Ocean Territory (+246). Can't find an answer? Our team is one click away.
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The route you pilot today is the route that carries your millionth minute to British Indian Ocean Territory (+246). No migration. No replatforming. No renegotiation.