Skip to main content


A letter is a flexible and affordable solution for many sending needs. It is suitable for personal and effective communications and for invoicing. Select sending letters without being a contract customer when you send fewer than 10 letters a week. When your company needs to send more items, become a contract customer!

The new Plus Sticker offers trackability for stamped letters.Read more about the Plus sticker

Letter type
Regular letter

Take the letter to a mailbox. Delivery to the recipient’s mailbox, 4 working days.

Cash on Delivery Letter

Take to a Posti outlet. Items are handed over against an acknowledgement when the COD amount has been paid. Delivery in 2–3 working days.


Send e-invoices to corporate recipients. You do not need investments or a separate invoicing system – you only pay the transaction fee for the invoices you send.

Electronic letter

Deliver your letters to the recipient safely and with appropriate authentication using Netposti.

Express Letter

Suitable for sending urgent messages, documents and drafts. Take to a Posti outlet. Delivery to the recipient’s mailbox, 1–2 working days.

Registered letter

For sending payment cards, decisions and information, among other things. Handed over against acknowledgement, 2–3 working days.


New customer?

If you send more than 10 letters per week, you should become a Posti contract customer. As a contract customer, you get business IDs for services and subscription channels.

See also

Order credentialsKontaktiEnvelope storeInstructions for sending letters, direct mail and publicationsSend letters with direct marketing

Find the best sending services for your company’s needs

Send without a contract

For sending parcels fast and occasionally

  • When you send fewer than 20 parcels a month
  • Fixed price per parcel, pay online immediately
Send with a contract

For sending parcels and freight regularly

  • When you send more than 20 parcels a month
  • For sending freight regularly
  • Pricing is based on the number of the items, payment with an invoice