About Postcode 04400
This postal code is assigned to Jarvenpaa Municipality Sub-region Helsinki, Uusimaa, Finland. This location-level postal code helps ensure accurate mail delivery and location identification.
Postal Code Format
Finland uses numeric postal codes with 5 digits (example: 00100). In our directory, these codes are organized from regions down to municipalities.
- 04 — Region (Uusimaa)
- 40 — Sub-region (Helsinki)
- 0 — Municipality (Jarvenpaa)
How to Use This Postcode 04400
When sending mail or packages to this area, use the postal code below to ensure accurate and timely delivery.
Address format example:
Recipient Name
House #, Street Name
Jarvenpaa
Helsinki, Uusimaa
04400
Finland
Domestic Mail
Include this postcode on all letters and packages sent within Finland.
International Mail
For international deliveries, include "Finland" on the last address line after the postcode.
Frequently Asked Questions
What area does this postcode cover?
This postcode covers Uusimaa → Helsinki → Jarvenpaa in Finland.
Is this a valid List Post Code?
Yes. 04400 is an active postcode for Uusimaa → Helsinki → Jarvenpaa in Finland. It follows the 5-character format used in this country.
How do I find the postal code for a specific address?
Search by region, sub-region, and municipality to find the correct postcode in Finland. Search Postcodes
Found incorrect info for 04400?
Useful Resources
Developer API
Get this data via API
Free JSON for postcode 04400.
https://api.listpostcode.com/v1/countries/FI/postcodes/04400curl -H "x-api-key: YOUR_API_KEY" \
"https://api.listpostcode.com/v1/countries/FI/postcodes/04400"Requests need a free API key.