Northern Finland postal codes — Finland

Northern Finland is a region of Finland, made up of 2 cities.

Towns in Northern Finland include Kajaani, Kehys-Kainuu, Oulu, Ylivieska, Oulunkaari and Raahe, together with the surrounding localities whose postal codes are listed above.

• 89Kainuu
• 91Northern Ostrobothnia

How postal codes work in Northern Finland

Finland uses a single national postal-code format, written as 99999. Five digits, numeric only. Codes in Northern Finland follow that format like everywhere else in the country, for example 89730 for Ahjola.

Codes listed here for Northern Finland begin with one of these prefixes: 68, 74, 85, 86, 87, 88, 89, 90, 91, 92 and 93. Each prefix covers the delivery areas of one part of the region.

Postal codes across Finland, Northern Finland included, are issued and maintained by Posti Group. Reference information is available at www.posti.fi.

Addressing format

Addresses in Finland are written [Street name] [House number], [Postal code] [City], and an address in Northern Finland follows that same order:

Recipient name
[Street name] [House number], 89730 Ahjola

What this dataset covers

This reference dataset lists 100 postal codes for Northern Finland across its cities, each paired with its locality and, where the source provides them, coordinates and a time zone.