Just like with electronic addresses, one letter can affect the proper delivery. Validate your address to be sure that it is known at bpost.

The photo below shows how to write the address of the addressee correctly. Don't forget to mention the name of the addressee (required) and to put your own address on the back of your letter (recommended but not required).

1. Positioning zone of recipient address box
2. Recipient address box
3. Franking and cancellation zone
4. Free zone for the sender
5. Return address zone
6. Index zone
7. Semi-free zone for the sender (no address)