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Tristan da Cunha (Country Code 590)

LAST UPDATE: July 27th, 2019

Please note: Tristan da Cunha  shares country code ‘+290’ with St. Helena. Tristan da Cunha phone numbers begin with ‘8’, while the remaining phone numbers are assigned to St. Helena.

Calling to Tristan da Cunha

  • A leading '+' in the phone number means 'dial your country's exit code'.
  • Calling from a mobile phone: dial from on the country where you're currently located.
  • Calling from a VoIP or satellite phone: dial from on the country where the phone is registered.

… to a mobile (cellular) phone or text (sms)

Use the same call sequence.

When calling a mobile phone user, call to the country where the mobile phone is registered, regardless of where the person being called is currently roaming.

… to a VoIP phone

Use the same call sequence.

When calling a VoIP phone user, call to the country where the VoIP phone is registered, regardless of where the person being called is currently roaming.

… to a satellite phone

Tristan da Cunha does not have a country-specific satellite phone system.

Most satellite phones operate on their country code – calls to these satellite phones follow their own call sequence.

… sending a fax

Use the same call sequence.

Calling within Tristan da Cunha (domestic dialing)

Tristonian phone numbers are simply dialed as they are listed.

There is no trunk or long distance number needed to dial when calling within Tristan da Cunha.

Tristan da Cunha’s phone numbers explained

Number details

Tristan da Cunha’s phone numbers are five digits.

The first digit identifies Tristan da Cunha within country code +590 (shared with St. Helena). Tristan da Cunha phone numbers start with ‘8’.

Calling from Tristan da Cunha

’00’ is used as an exit code to dial an international call from Tristan da Cunha.

Sources and more resources