FI Finland Major Regions Postal Code Details
📋 Finland Address and Delivery Guidance
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.
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.
Confirm the postal code, service coverage and any customs or carrier requirements with the recipient and the relevant official postal operator before shipping.
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.
Privacy, terms and disclaimer
Your search terms are handled under our Privacy Policy. Review our Terms of Service and disclaimer before relying on any logistics or delivery information.
📮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.