Instructions

Letters, parcels and freight

• How to send letters

• How to send parcels in Finland

• How to send parcels abroad

• How to send freight

• iPost instructions and materials

General sending instructions

• Country specific information

• Prohibited and dangerous goods

• Customs clearance – see the customs instructions on Posti’s consumer pages

Instructions for e‑commerce

• Instructions and text templates for e‑commerce

• Ecommerce integrations

• Logistics interfaces and digital services

• Posti Glue – connecting e‑commerce and suppliers

Publication services

• Sending publications

• Instructions for mailer companies

Other instructions

• Public notification

• Laboratory samples

• Service matrix

• Invoicing

Forms

• Material order

• Order a pickup for your item

• Order empty transport units

• Reply mail order

• Reply Mail Item: change or terminate

• Customer Purchase Order Number (PO number)

• Order P.O. Box

• P.O. Box change or termination