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Postal codes in Saint Helena, Ascension and Tristan da Cunha

Saint Helena, Ascension and Tristan da Cunha postal codes: ASCN 1ZZ to TDCU 1ZZ (3 codes listed).

The full database is updated weekly. This page shows data as of .Sources & methodology

10 rows across 3 islands, enriched with localities, coordinates, and timezone data.

Dataset rows
10
Format
—
Islands
3
Levels
3
Sample record1 of 10 rows
Saint Helena, Ascension and Tristan da Cunha dataset
✓ Verified
Postal code
ASCN 1ZZ
  • LocalityAscension Island
  • AreaAscension Island
  • IslandAscension Island
  • Country · ISOSaint Helena, Ascension and Tristan da Cunha · SH
  • Coordinates-7.9421, -14.3662
  • TimezoneAtlantic/St_Helena
Cities

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Reference dataset

Saint Helena, Ascension and Tristan da Cunha postal codes

CountryIslandAreaLocalityZIPLatitudeLongitudeTimezone
Saint Helena, Ascension and Tristan da CunhaAscension IslandAscension IslandAscension IslandASCN 1ZZ-7.942100-14.366200Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaSaint HelenaAlarm ForestThe BriarsSTHL 1ZZ-15.939861-5.709214Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaSaint HelenaBlue HillBlue Hill VillageSTHL 1ZZ-15.980241-5.748354Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaSaint HelenaHalf Tree HollowHalf Tree HollowSTHL 1ZZ-15.934827-5.719626Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaSaint HelenaJamestownJamestownSTHL 1ZZ-15.927395-5.716447Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaSaint HelenaLevelwoodLevelwoodSTHL 1ZZ-15.974395-5.680399Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaSaint HelenaLongwoodLongwoodSTHL 1ZZ-15.949606-5.685824Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaSaint HelenaSaint Paul'sSaint Paul's VillageSTHL 1ZZ-15.955860-5.719466Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaSaint HelenaSandy BaySandy BaySTHL 1ZZ-15.976357-5.709141Atlantic/St_Helena
Saint Helena, Ascension and Tristan da CunhaTristan da CunhaTristan da CunhaTristan da CunhaTDCU 1ZZ-37.110800-12.279000Atlantic/St_Helena

Complete dataset

10 rows available in Saint Helena, Ascension and Tristan da Cunha

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Data format

Postal data format for Saint Helena, Ascension and Tristan da Cunha

How Saint Helena, Ascension and Tristan da Cunha postal codes are written, structured and administered, with every other country's format in the postal code format guide.

Postal code format

  • No single national mask is recorded for Saint Helena, Ascension and Tristan da Cunha.
  • 10 rows in this reference dataset, part of our worldwide coverage, each pairing a code with its locality, coordinates and time zone.

How the codes are structured

  • Administrative levelsIslands → Areas.
Country information

About Saint Helena, Ascension and Tristan da Cunha

This WorldPostalCode reference dataset contains 10 rows for Saint Helena, Ascension and Tristan da Cunha. Each row pairs a postal code with Islands and Areas fields, plus coordinates and time-zone data where the source provides them.

Representative codes in the dataset include “ASCN 1ZZ” and “STHL 1ZZ”. They provide reference values for matching and validating Saint Helena, Ascension and Tristan da Cunha postal data.

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FAQ

Saint Helena, Ascension and Tristan da Cunha postal codes — frequently asked questions

What postal-code data is available for Saint Helena, Ascension and Tristan da Cunha?

This reference dataset contains 10 rows for Saint Helena, Ascension and Tristan da Cunha, with postal codes and the available administrative, locality, coordinate, and time-zone fields.