Christmas Island Address Format
Christmas Island follows the Australia Post format: recipient, street, then settlement + WA + postcode 6798 on one line (settlement in capitals recommended). 'WA' is used as the sorting state even though the island is an external territory, not part of Western Australia. For international mail add 'Christmas Island' (or 'Australia') as the last line.
Standard format
Postcode rules
| Field name | Postcode |
|---|---|
| Format | NNNN (N = digit, A = letter) |
| Example | 6798 |
| Pattern | ^6798$ |
| Rule | Christmas Island is part of Australia Post's 4-digit postcode system and has exactly one postcode: 6798 (sorted in the WA range). No other code is valid on the island. |
Fields used in Christmas Island
| State / region | Yes — "State/Territory (write WA)" locally |
|---|---|
| Street address | Yes |
| P.O. Box | Yes — "PO Box" locally |
FAQ
What is the Postcode format in Christmas Island?
The format is NNNN (N = digit, A = letter), for example 6798. Christmas Island is part of Australia Post's 4-digit postcode system and has exactly one postcode: 6798 (sorted in the WA range). No other code is valid on the island.
How do you write an address in Christmas Island?
Christmas Island addresses are written from the smallest unit to the largest. Christmas Island follows the Australia Post format: recipient, street, then settlement + WA + postcode 6798 on one line (settlement in capitals recommended). 'WA' is used as the sorting state even though the island is an external territory, not part of Western Australia. For international mail add 'Christmas Island' (or 'Australia') as the last line.
Does Christmas Island use postal codes?
Yes. Christmas Island uses the Postcode in the format NNNN (example: 6798). Christmas Island is part of Australia Post's 4-digit postcode system and has exactly one postcode: 6798 (sorted in the WA range). No other code is valid on the island.
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Sources
- https://auspost.com.au/sending/check-sending-guidelines/addressing-guidelines
- https://www.upu.int/UPU/media/upu/documents/PostCode/ManualAddressing.pdf