Finland Address Format
Finnish addresses go from smallest unit to largest: recipient, street name + house number (number after the street name), then postcode + locality on one line. No region or province line is used.
Standard format
Postcode (postinumero) rules
| Field name | Postcode (postinumero) |
|---|---|
| Format | NNNNN (N = digit, A = letter) |
| Example | 00100 |
| Pattern | ^\d{5}$ |
| Rule | 5 digits, written before the locality name on the same line. In international mail it may be prefixed with "FI-" (e.g. FI-00100). |
Fields used in Finland
| State / region | No |
|---|---|
| Street address | Yes |
| P.O. Box | Yes — "PO Box (postilokero)" locally |
FAQ
What is the Postcode (postinumero) format in Finland?
The format is NNNNN (N = digit, A = letter), for example 00100. 5 digits, written before the locality name on the same line. In international mail it may be prefixed with "FI-" (e.g. FI-00100).
How do you write an address in Finland?
Finland addresses are written from the smallest unit to the largest. Finnish addresses go from smallest unit to largest: recipient, street name + house number (number after the street name), then postcode + locality on one line. No region or province line is used.
Does Finland use postal codes?
Yes. Finland uses the Postcode (postinumero) in the format NNNNN (example: 00100). 5 digits, written before the locality name on the same line. In international mail it may be prefixed with "FI-" (e.g. FI-00100).
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