Are you sure you couldn't have found this on your own?

https://www.posti.fi/en/customer-suppor ... or-private
Yes, see https://www.posti.fi/changeaddress/ and also to set the pickup point on OmaPosti app to nearest location, usually a grocery shop with Posti service.
A letter should arrive as long as address and apartment number are correct.
Thanks, whatever, the name of the recipient?FinlandGirl wrote: ↑Fri Jul 24, 2020 6:45 pmA letter should arrive as long as address and apartment number are correct.
I do not think Posti would care if there was no name at all on the letter, except when the former tenant has requested mail forwarding.gmarkoma wrote: ↑Sat Jul 25, 2020 5:04 amThanks, whatever, the name of the recipient?FinlandGirl wrote: ↑Fri Jul 24, 2020 6:45 pmA letter should arrive as long as address and apartment number are correct.
ok, thanks a lot!FinlandGirl wrote: ↑Sat Jul 25, 2020 12:55 pmI do not think Posti would care if there was no name at all on the letter, except when the former tenant has requested mail forwarding.gmarkoma wrote: ↑Sat Jul 25, 2020 5:04 amThanks, whatever, the name of the recipient?FinlandGirl wrote: ↑Fri Jul 24, 2020 6:45 pm
A letter should arrive as long as address and apartment number are correct.
If you are registered to live in apartment 22 and your name is on the door of apartment 22, chances are a letter addressed to your name and apartment 21 will be thrown through the door of apartment 21.