In the island of
Saint Helena
Saint Helena () is a British overseas territory located in the South Atlantic Ocean. It is a remote volcanic tropical island west of the coast of south-western Africa, and east of Rio de Janeiro in South America. It is one of three constit ...
and the archipelago of
Tristan da Cunha
Tristan da Cunha (), colloquially Tristan, is a remote group of volcano, volcanic islands in the South Atlantic Ocean. It is the Extreme points of Earth, most remote inhabited archipelago in the world, lying approximately from Cape Town, Sou ...
, telecommunications are administered by
Sure Saint Helena. There is a fixed five-digit number plan, and the country calling code is +290.
Ascension Island
Ascension Island is an isolated volcanic island, 7°56′ south of the Equator in the South Atlantic Ocean. It is about from the coast of Africa and from the coast of South America. It is governed as part of the British Overseas Territory of ...
is also part of the
British Overseas Territory
The British Overseas Territories (BOTs), also known as the United Kingdom Overseas Territories (UKOTs), are fourteen territories with a constitutional and historical link with the United Kingdom. They are the last remnants of the former Br ...
of
Saint Helena, Ascension and Tristan da Cunha
Saint Helena, Ascension and Tristan da Cunha is a British Overseas Territory located in the South Atlantic and consisting of the island of Saint Helena, Ascension Island and the archipelago of Tristan da Cunha including Gough Island. Its name wa ...
, but it has a
separate calling code and numbering scheme.
2013 change to numbering plan
From 1 October 2013, all existing 4-digit telephone numbers on St Helena were to be prefixed by a '2' to move from a 4-digit to a 5-digit numbering plan. The change in numbering resulted after the increased demand for new telephone services while also providing a platform for the future introduction of a cellular network on the island.
Allocations
Tristan da Cunha
Although Tristan da Cunha shares the +290 code with St Helena, residents have access to the
Foreign and Commonwealth Office
The Foreign, Commonwealth & Development Office (FCDO) is a department of the Government of the United Kingdom. Equivalent to other countries' ministries of foreign affairs, it was created on 2 September 2020 through the merger of the Foreig ...
Telecommunications Network, provided by
Global Crossing
Global Crossing was a telecommunications company that provided computer networking services and operated a tier 1 carrier. It maintained a large backbone network and offered peering, virtual private networks, leased lines, audio and video co ...
. This uses a
London
London is the capital and List of urban areas in the United Kingdom, largest city of England and the United Kingdom, with a population of just under 9 million. It stands on the River Thames in south-east England at the head of a estuary dow ...
020 numbering range, meaning that numbers are accessed via the
UK telephone numbering plan
Telephone numbers in the United Kingdom are administered by the Office of Communications ( Ofcom). For this purpose, Ofcom established a telephone numbering plan, known as the ''National Telephone Numbering Plan'', which is the system for as ...
.
Tristan da Cunha Post Office
/ref>
See also
*Telephone numbers in the United Kingdom
Telephone numbers in the United Kingdom are administered by the Office of Communications ( Ofcom). For this purpose, Ofcom established a telephone numbering plan, known as the ''National Telephone Numbering Plan'', which is the system for as ...
*Telephone numbers in Ascension Island
Country Code: +247 International Call Prefix: 00
Ascension Island does not share the same country code ( +290) with the rest of St Helena.
Calling formats
To call in Ascension Island, the following format is used:
yxxxx Calls inside Ascens ...
References
Saint Helena
Saint Helena () is a British overseas territory located in the South Atlantic Ocean. It is a remote volcanic tropical island west of the coast of south-western Africa, and east of Rio de Janeiro in South America. It is one of three constit ...
Saint Helena-related lists
{{Telephonenumber-stub