The city's official e-mail address is: email@example.com.
Read more on the registry office here (in Finnish)
The city staff e-mail addresses are in the form firstname.lastname@example.org, and the teachers' e-mail addresses in the form email@example.com.
The city invoices are electronic, see the instructions here (in Finnish)
The city's Business ID: 0187690-1
The contact information of different services and operational units are on their own webpages.