--- title: "+290 Country Code: Tristan da Cunha Dialing Code" description: "+290 is the country code of Tristan da Cunha (shared). To call, dial +290 then the number. Examples, number length and time zones." url: https://ailocator.app/country-codes/tristan-da-cunha lang: en dateModified: "2026-10-18" --- Country calling code # +290 Tristan da Cunha country code Tristan da Cunha’s international calling code is **+290**. To call a Tristan da Cunha number from another country, dial your exit code, then 290, then the local number. Calling code +290 ISO 3166 code TA Exit code (calling out) 00 Trunk prefix (domestic) None Number length 4 digits Time zones Not listed Number formats and examples are generated from [libphonenumber-js numbering-plan metadata](https://github.com/catamphetamine/libphonenumber-js). They describe numbering rules, not a verified active subscriber or a phone’s current location. For an individual number, try the [free format lookup](https://ailocator.app/phone-number-lookup). ## How to call Tristan da Cunha | Calling from | Dial | | --- | --- | | A mobile phone, anywhere | `+290 8999` | | United States & Canada | `011 290 8999` | | UK, Europe & most countries | `00 290 8999` | | Australia | `0011 290 8999` | | Inside Tristan da Cunha | `8999` | Tristan da Cunha does not use a trunk prefix, so the number you dial at home is the same one you dial after +290. ## Tristan da Cunha phone number format A sample mobile number in Tristan da Cunha is written **+290 8999** internationally, **8999** locally, and **+2908999** in the E.164 format that apps and websites store. Numbers are 4 digits long after the country code. Not sure where a number is from? Paste it into our free [phone number lookup](https://ailocator.app/phone-number-lookup) to see the country, line type and correct format. ## Calling abroad from Tristan da Cunha To call another country from a Tristan da Cunha landline, start with the exit code **00**, then the destination country code. On a mobile phone, holding **0** to type **+** works everywhere and replaces the exit code. ## Other places that use +290 The +290 code is shared by 2 countries and territories. The first digits after the code identify each one: [St. Helena](https://ailocator.app/country-codes/st-helena). ## Missed call from +290? If you don’t know anyone in Tristan da Cunha, be careful with short missed calls from international numbers. “One-ring” scams hope you call back a premium-rate line. Don’t return the call, don’t share codes sent by SMS, and block the number if it keeps calling. A genuine contact will usually leave a message or text. AI Family Locator ## Request location sharing for a +290 number Enter the Tristan da Cunha number to prepare a request. The owner must install the iPhone app and approve sharing before a live GPS location appears. [Locate the number](https://ailocator.app/start) ## Frequently asked questions ### Which country uses the +290 code? +290 is the calling code of Tristan da Cunha. It is shared with St. Helena; the digits after +290 tell them apart. ### How do I call Tristan da Cunha from the United States? Dial 011 (the US exit code), then 290, then the local number without any prefix. From a mobile phone you can simply type +290 8999. ### How many digits are in a Tristan da Cunha phone number? National numbers in Tristan da Cunha are 4 digits long after the +290 country code. A typical mobile number looks like +290 8999. ### Can I find the location of a +290 number? Not from the number alone. Enter the number in [AI Family Locator](https://ailocator.app/start) and send a location request. Live GPS location appears only after the owner installs the app and approves sharing. A number lookup shows only numbering details, not a current location. ## Nearby calling codes - [ St. Helena +290](https://ailocator.app/country-codes/st-helena) - [ Eritrea +291](https://ailocator.app/country-codes/eritrea) - [ Aruba +297](https://ailocator.app/country-codes/aruba) - [ Faroe Islands +298](https://ailocator.app/country-codes/faroe-islands) - [ Greenland +299](https://ailocator.app/country-codes/greenland) - [ Comoros +269](https://ailocator.app/country-codes/comoros) - [ Eswatini +268](https://ailocator.app/country-codes/eswatini) - [ Botswana +267](https://ailocator.app/country-codes/botswana) [All country calling codes →](https://ailocator.app/country-codes) Source: [Original page](https://ailocator.app/country-codes/tristan-da-cunha) · Last updated: 2026-10-18