Tonga Postal Codes
Browse the regions below to find Tonga postal codes, also known as ZIP codes.
Tonga on the Map
Tonga zip codes can be seen on the map. All postcodes of Tonga can be viewed under each region.
About Tonga
Tonga Postal Codes
If a form asks for a Tonga postal code, the practical answer is usually that Tonga does not use normal street-level postal codes. So do not try to invent a ZIP-style number for Nukuʻalofa, Neiafu, Pangai, or another island area. If the field is optional, leaving it blank is usually the safest choice.
A realistic address would look more like this: Taufaʻahau Road, Nukuʻalofa, Tongatapu, Tonga. For central Nukuʻalofa, the town name and island are more useful than a postcode. For outer villages, Haʻapai, Vavaʻu, ʻEua, or other less central areas, the village or island name becomes even more important because there is no postcode doing that sorting for you.
A soft way to think about it is this: Nukuʻalofa addresses should clearly say Nukuʻalofa and Tongatapu; Vavaʻu addresses should mention Neiafu or the relevant village; Haʻapai and ʻEua addresses should keep the island group or village visible. That is practical address guidance, not an official postal-code map.
The UPU addressing information for Tonga does not show a regular postcode format for ordinary addresses, and common postal-code reference sources also treat Tonga as a country where locations are identified by island, town, village, and P.O. box details rather than a national ZIP/postal code system.
So if a website forces a number, try blank or N/A first if the form allows it. If it only accepts digits, 00000 is just a placeholder to get past the form, not a real Tonga postal code. Keep the island, village or town, P.O. box if there is one, and phone number clear instead.