How to call Tristan da Cunha using the international calling code +290 and area code.
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Example numbers for Tristan da Cunha:
Your local time
—:—
Time in Tristan da Cunha
—:—
Code
+290
ISO
TA
Region
Atlantic
Time zone
Atlantic/St Helena
Every Tristan da Cunha 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 Tristan da Cunha from abroad, the only fixed part is +290 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside Tristan da Cunha.
+XXX XXXX
Dial the country code +290, then the full mobile number.
Example: +290 8999
+290 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
Enter the country code +290 when dialing Tristan da Cunha from abroad.
Add the local phone number without the leading zero.
Use TwinPhone to connect the call at low per-minute rates.
Tristan da Cunha's international country code is +290. It was assigned by the International Telecommunication Union under recommendation E.164 and is the dialing prefix at the start of every Tristan da Cunha phone number written in international format.
You'll often see +290 referred to in search as the "290 area code". Strictly speaking, +290 is a country code — area codes are sub-national, used inside Tristan da Cunha. The practical meaning is the same: any number starting with +290 or 00290 is a Tristan da Cunha number.
TwinPhone routes calls to every +290 number directly from your browser — no app, no SIM card, no calling card. Type +290 followed by the local number, press call, and you're connected.
Dialing codes immediately above and below +290 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 Tristan da Cunha is +290. To call Tristan da Cunha from abroad, dial +290 followed by the national number without its leading zero.
+290 is Tristan da Cunha's international country calling code under the ITU E.164 plan — often searched as the "290 area code". Any phone number starting with +290 is a Tristan da Cunha number.
From TwinPhone, just type +290 and the number — we connect it. From a landline, dial your exit code, then +290, then the number without the leading 0.
Tristan da Cunha'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 +290 and your number, done. No installs, no plugins, no SIM card required.
Yes! Virtual numbers in Tristan da Cunha 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 Tristan da Cunha from your browser — pay only for what you call.
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