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Address format guide

Saint Helena, Ascension and Tristan da Cunha address format

Saint Helena, Ascension and Tristan da Cunha addresses normally include street address, city or locality, and postal code. For international mail, put SAINT HELENA, ASCENSION AND TRISTAN DA CUNHA on the final line.

Format an address for Saint Helena, Ascension and Tristan da Cunha Address format guides

Quick answer

How to write an address for Saint Helena, Ascension and Tristan da Cunha

To write an address for Saint Helena, Ascension and Tristan da Cunha, use this order: addressee, organisation, street address, city or locality, postal code, and country.

  1. AddresseeRecipient name, if you are writing a postal address.
  2. OrganisationCompany, department, hotel, or building name when useful.
  3. Street addressStreet address, building number, unit, floor, or delivery line.
  4. City or localityCity, town, locality, or postal town.
  5. Postal codePostal code, such as STHL 1ZZ.
  6. CountryUse SAINT HELENA, ASCENSION AND TRISTAN DA CUNHA for international mail.
Example address format 
1 Example Street
Example City
STHL 1ZZ
SAINT HELENA, ASCENSION AND TRISTAN DA CUNHA
SH ISO country code
Examples: STHL 1ZZ Postal code format
SHN International country code

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Format an address for Saint Helena, Ascension and Tristan da Cunha.

Paste one messy address and arrange it into the Saint Helena, Ascension and Tristan da Cunha line order.

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Formatted output

Saint Helena, Ascension and Tristan da Cunha address lines.

Use the formatter to create address lines.

Examples

Saint Helena, Ascension and Tristan da Cunha address examples.

These are formatting examples for layout and line order. They are not delivery-point verification results.

Basic format example

1 Example Street
Example City
STHL 1ZZ
SAINT HELENA, ASCENSION AND TRISTAN DA CUNHA

Address with recipient

Alex Customer
1 Example Street
Example City
STHL 1ZZ
SAINT HELENA, ASCENSION AND TRISTAN DA CUNHA

Business example

Alex Customer
Example Trading Ltd
1 Example Street
Example City
STHL 1ZZ
SAINT HELENA, ASCENSION AND TRISTAN DA CUNHA

Postal codes

Saint Helena, Ascension and Tristan da Cunha postal code format.

Saint Helena, Ascension and Tristan da Cunha postal code examples include STHL 1ZZ.

Common mistakes

What to check before validation.

  • Using a postal code that does not match examples such as STHL 1ZZ.
  • Mixing address parts into one unstructured CSV field.
  • Leaving off the country line for international shipping.
  • Treating formatting as proof that the address is real or deliverable.

Address verification

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Sources

Address format data.

Reviewed 2026-06-17. Country formats can change, so verify critical shipments with local postal or delivery data.

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