Papua New Guinea Postal Codes

Papua New Guinea uses postal codes in the format ### (# = digit, @ = letter).

Example postal codes

• 111

How an address is written in Papua New Guinea

This is the order Papua New Guinea's postal service expects. Square brackets mark what you replace.

[Recipient name]
[Street address]
[City] [Postal code (111)] [State]
PAPUA NEW GUINEA

A postal code is optional in Papua New Guinea addresses — mail is deliverable without one, though including it speeds up sorting.

Country reference

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.