Order transaction codes

If you are a Posti contract customer, you can use this form to order an administrator's transaction codes for the services included in your contract. We will process orders within 1-3 working days. You will receive an email invitation to register as an administrator in Posti's service channels. Then, you can create transaction codes for yourself.

You can order the transaction codes for the postage stamp web store using the form below. Once you’ve received the transaction codes, you can authorize more users for your company to give them access to Posti’s online shop from user management.

New customer? Register as a customer to gain access to sending services in minutes. You can also contact sales if you would like to go over your needs with us.

Fields marked with an asterisk are required

Company or organization Information

Business ID is mandatory information.

Name of company is mandatory information.


Found on the invoice, six or seven digits without leading zeros.

Mailing address is mandatory information.

Postal code is mandatory information.

City/municipality is a mandatory information.




Read more about invoicing

Bill's mailing address

E-mail invoice

For e-mail invoicing, e-mail address is mandatory.

E-invoice address Consist of a country code (in Finland 0037) and the company's business ID without a hyphen, as well as potential qualifiers (up to 5 characters). The emblem can be checkd from your own e-invoicing operator. For more information, check Corporate Customer Service.

E-invoice operator name is mandatory information.

E-invoicing ID is mandatory information.

Administrator information

First name is a mandatory information.

Last name is a mandatory information.

Phone number is a mandatory information.

E-mail is a mandatory information.

Please indicate the name and email address of the person with authority to sign for the company so we may inform him/her of the transaction code.

This field is mandatory.

This field is mandatory.

Spam prevention

This field is mandatory.

Wrong answer.

By submitting this form, I certify that I have the right to operate as administrator of the company mentioned above in Posti's Service Channels.

With this form we are only requesting the information we need to process the matter in question. Read more about personal data processing at Posti.