You can check your address details electronically

If you have received a letter regarding a temporary address from Traficom, you can check your address details in the Population Information System electronically.

Check your address details in the Population Information System https://www.suomi.fi/your-data/personal-data. 

If your address details need to be corrected, submit a notification of move at https://muuttoilmoitus.fi.

You can also update your address details by a paper form available from Posti's and Digital and Population Data Services Agency's service locations. 

If you have any questions regarding Traficom's address details, contact Traficom https://www.traficom.fi/en/customerservice?group=initial.