Every number type in Tristan da Cunha with real format examples: how numbers are written domestically, how to dial them from abroad, and the E.164 form your systems should store.
Country code
+290
Trunk prefix
none
Intl. call prefix
00
Mobile digits
-
Number formats by type
Examples from the official numbering plan metadata. The E.164 column is the normalized form for databases and APIs.
Type
Domestic (national)
From abroad
E.164
Digits
Landline
8999
+290 8999
+2908999
4
How to call Tristan da Cunha
From abroad: dial +290 (or your country's exit code, e.g. 00 from Europe, 011 from North America), then the national number. Example: +290 8999
Within Tristan da Cunha: dial the number as written domestically. Example: 8999
Calling abroad from Tristan da Cunha: the international prefix is 00, or simply use + on mobiles.
Storing numbers in software: always store E.164 (+2908999): unambiguous, sortable, and what SMS and telephony APIs expect.
Exact dial sequence from your country
Pick where you are calling from and get the digit-for-digit sequence for a Tristan da Cunha number, with your country's exit code instead of the generic +.
Dial exactly
Frequently Asked Questions
What is the phone number format in Tristan da Cunha?
Numbers in Tristan da Cunha use country code +290.
How do I call Tristan da Cunha from abroad?
Dial your country's international prefix (or +), then 290, then the national number. Example: +290 8999.
What is the country calling code for Tristan da Cunha?
The country calling code for Tristan da Cunha is +290. To call abroad from Tristan da Cunha, the international prefix is 00 (or use +).
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