Saint Helena Postal Codes

Saint Helena has a single postal code covering the whole territory: STHL 1ZZ.

It was allocated under the United Kingdom's postcode system. Every address there takes the same code.

How an address is written in Saint Helena

This is the order Saint Helena's postal service expects. Square brackets mark what you replace.

[Recipient name]
[Street address]
[City]
[Postal code (STHL 1ZZ)]
SAINT HELENA

Sources and licensing

Postal code data from GeoNames, used under the Creative Commons Attribution 4.0 International licence. Address formats and validation rules derive from Google's international address metadata, cross-checked against Universal Postal Union addressing standards. Last verified August 2026. Confirm time-critical addresses with the destination country's postal operator.