British Antarctic Territory Postal Codes
British Antarctic Territory only has one postcode, BIQQ 1ZZ. It’s a UK style postcode.
British Antarctic Territory has one postal code covering the whole territory: BIQQ 1ZZ.
The code was allocated under the United Kingdom's postcode system for the British Antarctic Territory. It is the only code in use, so every address there takes the same one - there is no district or street-level variation.
How to address mail
- Recipient name
- Street address, settlement or base
- British Antarctic Territory
BIQQ 1ZZ- UNITED KINGDOM
Mail is routed via the United Kingdom. Delivery is infrequent and depends on shipping or flight schedules.
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.