Niua Fo'ou Postal Codes, Ongo Niua Tonga

There is no official postal code or zip code for Niua Fo'ou, as the Tonga does not use a national postal code system. Mail delivery in Tonga relies almost entirely on the P.O. Box (Post Office Box) system. If an online form or shipping site requires a mandatory code, 00000 (five zeros) or N/A can be used to complete the field. However, please note this is not an official code. For successful delivery to Tonga, providing a P.O. Box number is essential. A sample P.O. Box address is: [Recipient Name], P.O. Box [XXXXX], Niua Fo'ou, Ongo Niua, Tonga.

Niua Fo'ou on the Map

The map above highlights the geographic boundaries of the Niua Fo'ou districts in Tonga. The postal codes listed on this page correspond to specific towns, villages, and post offices within this area.

What to Know About Niua Fo'ou

Key Facts

Niua Fo'ou is an island and district within the Ongo Niua division of the Kingdom of Tonga. Located in the northernmost part of the Tongan archipelago, Niua Fo'ou is famously known as 'Tin Can Island' due to its unique mail delivery system where letters were historically sealed in biscuit tins and thrown overboard to swimmers from passing ships. This volcanic island covers an area of approximately 15 square kilometers and has a population of around 500 people. The island features a large volcanic crater lake, Vai Lahi, which occupies much of the island's interior and is one of the largest freshwater lakes in the South Pacific. Niua Fo'ou is divided into several small villages that circle the island's coastline, with the main settlement being 'Esia. The island's rugged terrain and active volcanic nature make it both geographically significant and challenging for habitation. For those seeking postal code information for the villages and communities of Niua Fo'ou, detailed addressing data is available for this remote but historically important Tongan district.