South Georgia and the South Sandwich Islands Postal Codes
South Georgia and the South Sandwich Islands uses postal codes in the format SIQQ 1ZZ (# = digit, @ = letter).
1 postal codes are recorded for South Georgia and the South Sandwich Islands in the open data sources below.
Example postal codes
SIQQ 1ZZ
Postal codes by place
Places in South Georgia and the South Sandwich Islands with a recorded postal code.
| Place | Postal code |
|---|---|
| South Georgia and the South Sandwich Islands | SIQQ 1ZZ |
How an address is written in South Georgia and the South Sandwich Islands
This is the order South Georgia and the South Sandwich Islands's postal service expects. Square brackets mark what you replace.
[Recipient name]
[Street address]
[City]
[Postal code (SIQQ 1ZZ)]
SOUTH GEORGIA AND THE SOUTH SANDWICH ISLANDS
A postal code is required in a complete South Georgia and the South Sandwich Islands address. The postal code should be written in capital letters.
Country reference
| ISO 3166-1 alpha-2 | GS |
|---|---|
| ISO 3166-1 alpha-3 | SGS |
| Capital | Grytviken |
| Telephone code | + |
| Currency | Pound (GBP) |
| Internet TLD | .gs |
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.
Postal codes by town and city
1 places in South Georgia and the South Sandwich Islands have a recorded postal code. The 0 largest have their own page; the rest are listed alphabetically.