Finland Postal Code Details

Include the recipient name, building or street address, locality, region where applicable, postal code when the destination uses one, and the destination country or territory.

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Follow Local Address Conventions:

Use the language, character set and address order requested by the recipient, official postal operator or carrier. Do not assume every destination uses the same postal-code format.

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Verify Before Dispatch:

Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.

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Delivery Information Is Context-Specific:

Postal codes help routing only in territories that use them. Accurate recipient details remain essential for delivery in every destination.

Postal information, sources and verification

Use this page as a routing reference and confirm the complete address, postal code format and delivery restrictions with the relevant official postal operator or carrier before dispatch.

Editorial and service accountability

This postal-code reference is maintained by the 56ok.com logistics-content team for international shipping preparation. It is reviewed against publicly available postal-operator information; it is not an official postal authority and does not replace carrier or customs instructions.

This reference is maintained as postal and carrier information changes. Need a correction? Contact our team.

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📮Finland Postal FAQ and delivery guidance

📮 What is the format of Finnish postal codes?

Finnish postal codes consist of 5 digits only (e.g., 00100). The first two digits indicate the region, while the last three specify streets or neighborhoods.

🔍 How to find a Finnish postal code?

Use the postal code search tool on Posti.fi official website by entering an address or city name. Map apps like Google Maps also provide real-time postal code lookup.

⚠️ Will an incorrect postal code cause lost mail?

Mail with correct addresses usually arrives but may be delayed (up to 5 days). Use Posti's parcel tracking service for real-time updates.

🌍 Are special markings needed for international mail?

Always write "FINLAND" in bold. For parcels exceeding €22 value, include a customs declaration form detailing contents and value to avoid delays.

📬 Do PO Box codes differ from street codes?

Yes! PO Box codes start with "PL" (e.g., PL 100). Never mix street and PO Box codes – this may cause delivery failures.