What are the permitted sizes and weights for a letter?

The maximum dimensions your letter can be are:

  • length: 350 mm
  • width: 230 mm
  • thickness: 30 mm
  • weight: 2 kg

If your letter weighs more or is longer, wider or thicker, you will need to send it as a parcel. In that case, you need a shipping label.

Number of stamps on your letter

Our overview page makes it easy to determine how many stamps your letter requires. You can calculate the price of your letter at the same time.

To the overview page
Calculate
Total weight (kg) can be maximum 20 kg for this country of destination
Consult all our rates
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#collect-point, #an-address, #parcel-locker
117
#collect-point
117
#collect-point, #an-address, #parcel-locker
My mail is being delivered, but not in my letterbox. What can I do?
We are sorry that our postman did not place your mail in your letterbox. The best way to report this is via the online form at the bottom of this page. We will ask for your contact details so that we can talk to the right postman about this.
How much does it cost to send a postcard from outside Belgium?
All cards made in the Mobile Postcard app are printed and sent from Belgium. Cards for a destination in Belgium are sent at domestic rates. For cards that are destined for other countries, you pay international rates. Take a look at all our rates under the menu option 'Cards and envelopes'.
Why can my letter or card be returned?
The most common reasons for returning a letter are:
  • The letter does not have a stamp.
  • The letter does not have enough stamps.
  • The letter contains an incorrect address.
The reason why your card or letter was retuned is written on the red sticker.

If you didn't find an answer to your question?

 

Call

Monday - Friday :
08.00 – 12.30
13.00 – 18.00

Saturday :
09.00 – 13.00

Zonal rate. Waiting time varies.

Phone Customer Care Centre
022785126
My mail is being delivered, but not in my letterbox. What can I do?
We are sorry that our postman did not place your mail in your letterbox. The best way to report this is via the online form at the bottom of this page. We will ask for your contact details so that we can talk to the right postman about this.
How much does it cost to send a postcard from outside Belgium?
All cards made in the Mobile Postcard app are printed and sent from Belgium. Cards for a destination in Belgium are sent at domestic rates. For cards that are destined for other countries, you pay international rates. Take a look at all our rates under the menu option 'Cards and envelopes'.
Why can my letter or card be returned?
The most common reasons for returning a letter are:
  • The letter does not have a stamp.
  • The letter does not have enough stamps.
  • The letter contains an incorrect address.
The reason why your card or letter was retuned is written on the red sticker.