Mail delivery and postal codes

Mail is delivered on business days (Mon-Fri). The items to be delivered are letters and publications whose maximum size is 25 x 40 x 3 cm and maximum weight 2 kg. A notice of arrival is submitted for all undeliverable items.

Terms concerning basic delivery are indicated in the Delivery Services appendix of Post Ltd's general terms and conditions. Posti's deliveries are stipulated in the Postal Act, and compliance with the Act is monitored by the Finnish Communications Regulatory Authority.