International dial code
British Indian Ocean Territory uses +246 for every international call. From the US, dial 011 + 246 + the local number — or just enter it in E.164 format and Rozper handles the rest.
+246 · IO · UTC+6
British Indian Ocean Territory
Country Code & Virtual Numbers
The international dialing code for British Indian Ocean Territory is +246. Capital: Diego Garcia · Timezone: UTC+6 · Business hours: 10:00 PM–6:00 AM EST.
// The Basics
What is the +246 country code?
British Indian Ocean Territory's international dialing code is assigned by the ITU (International Telecommunication Union) and used for every call placed from outside the country.
Capital & currency
Diego Garcia is the capital of British Indian Ocean Territory. The local currency is US Dollar (USD), and the primary language is English.
Time zone & business hours
British Indian Ocean Territory runs on UTC+6, 11 hours ahead of US Eastern time. Standard working days are Mon–Fri, with business hours falling between 10:00 PM and 6:00 AM EST.
Did you know
A local +246 number lets your business sound local in British Indian Ocean Territory — routing every call, text, and voicemail to your team, wherever they're actually based.
// Quick Facts
A quick read on British Indian Ocean Territory numbers.
British Indian Ocean Territory numbers in international format are written as +246 followed by the local number. From the US, dial 011 + 246 + the local number. Rozper stores and dials contacts in full E.164 format automatically, so you never have to think about the formatting.
Want to call British Indian Ocean Territory from abroad? Dial your local exit code, then 246, then the local number.
Best time to call British Indian Ocean Territory from the US
British Indian Ocean Territory is on UTC+6 · Business hours = – EST · Mon–Fri
// Why a Virtual Number
Why get a British Indian Ocean Territory virtual number?
A +246 virtual number gives your business instant local presence in British Indian Ocean Territory — without the overhead.
Local caller ID in British Indian Ocean Territory
When you call from your virtual British Indian Ocean Territory number, contacts see a local +246 number — dramatically improving answer rates.
No office needed
Establish a local presence in British Indian Ocean Territory without renting space, hiring locally, or installing any hardware.
Instant credibility
A local British Indian Ocean Territory number signals commitment to the market. Customers in Diego Garcia trust local numbers more than unfamiliar international ones.
Routes to any device
Calls to your British Indian Ocean Territory number ring your team on mobile, desktop, or desk phone — wherever they work.
// Platform Features
Everything to call British Indian Ocean Territory
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Call recording
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Voicemail to text
Voicemails transcribed and delivered by email or SMS. Never miss a message across time zones.
CRM auto-logging
All calls to and from your international number auto-logged in Salesforce, HubSpot, or Zoho.
International analytics
Call volume, answer rates, and duration broken down by country, region, and time of day.
Local Caller ID
Show a local country number as your caller ID when dialling internationally. Improves pickup rates significantly.
Instant provisioning
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99.99% uptime SLA
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// Get Started
Get a British Indian Ocean Territory number today
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- 01
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- 02
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- 03
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- 04
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Frequently Asked
British Indian Ocean Territory questions answered.
Everything you need to know about calling British Indian Ocean Territory and getting a local virtual number.
The international dialing code for British Indian Ocean Territory is +246. When calling from the US, dial 011 + 246 + the local number. Rozper handles this automatically.
A British Indian Ocean Territory virtual number goes live in under 10 minutes. Ask us how.
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