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Our customer service is currently congested. If your case concerns the prevailing coronavirus situation, you will find answers to frequently asked questions here.

Reply mail will make customers more active

Domestic reply mail items make it easy for your customers to place orders, respond to questionnaires and request to be contacted.

Who is the service designed for?

Reply mail items are suitable for everyone who would like to encourage their customers to order items, respond to questionnaires or return or send print documents. They are also suitable for making declarations to the authorities and sending laboratory samples.


By providing your customers with an easy and free way to contact your company, you will improve their customer satisfaction and receive more orders or feedback than you would through digital channels alone. The reply mail item service is a cost-effective option because only returned items will be billed. The service can be easily activated online.

Domestic reply mail items are free of charge for the customer, and you only pay for returned items and the service’s monthly fee. Domestic reply mail items are also suitable for making declarations to the authorities.

  • Orders, questionnaires and contact requests as reply mail items

  • Economy Reply can be an envelope or a coupon, Standard Reply is always an envelope

  • Express Reply is suitable for customers receiving laboratory samples, read more here

When you have concluded a service agreement, you will receive an item ID that is subject to a charge. You can also use information codes as a additional service in your reply mail items, so you will receive your reply mail items sorted according to information code. You can place orders and make changes to the reply mail item or the information code using the web form.

Maximum weight Economy Reply: 2,000g Standard Reply: 50g

Minimum dimensions Economy Reply: 90 x 130mm Standard Reply: A6 (105 mm x 148mm), the item is always an envelope

Maximum dimensions Economy Reply: 250 x 400 x 30mm Standard Reply: C5 (162mm x 229mm), the item is always an envelope

Reply mail payment indication Download Reply mail payment indication

Delivery Time Economy Reply items are transported at a speed equivalent to that of Economy letters and delivered to the customer at the delivery address provided by the Customer in the contract, in separate bundles in the basic delivery.

Pricing Economy Reply envelope: The pricing is based on the quantity and weight of items, and the additional services used.

Economy Reply, coupon: The pricing is based on the quantity of items and the additional services used.

Standard Reply: The pricing is based on the quantity of items and the additional services used.

Other charges

  • Establishment fees : a new reply mail item ID and info code (Economy Reply)

  • Usage fees: monthly fee for the reply mail item ID and the info code

  • Additional services - Info code sorting - Combination envelope (Economy Reply) - Additional Handling (a fee for handwritten address markings and missing payment indications)

Letter, Direct Marketing and Publication Services - Contract Prices

The Reply mail item payment indication is a rectangle, recommended size 30 x 40 mm and color black. Download payment indication.

The postal code 00003 VASTAUSLÄHETYS is always used in Economy reply mail items.The address marking to be written on Economy reply mail items should be in the following format:


When you are planning the appearance of an envelope, please take into account Posti’s service-specific requirements for mechanical handling. These requirements are listed in the Guide for Machine-Sortable Items.