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An independent letterbox guide, a publication by Varamedia. We help you choose the right design letterbox, in brushed aluminium and over 2000 RAL colours, and find a distributor near you. The distributor finder covers every brand.

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Brievenbus met cijferslot
Knowledge base

Brievenbus met cijferslot

A letterbox with a combination lock gives you access without a separate key: you open it with a code you choose yourself. You will find this among others in the Topak parcel model and in the sleek WALL. Below you can read how such a combination lock works and what to look out for when choosing.

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How does a mailbox with a combination lock work?

With a mailbox with a combination lock, you set a numerical code yourself and dial it in again with each use. So you do not need a key to open the flap or door, which is handy if several people need access or if you do not want to keep track of a key. Because you choose the code yourself and can change it, management stays simple when someone joins or leaves.

Be realistic about what such a lock does. A combination lock protects the operation of your mailbox, but it is not a lock on the entire housing. So it does not by definition prevent someone from dismantling the whole mailbox. See it as practical access control, not as an impenetrable safe.

A mailbox with a combination lock or code lock is especially useful in places where the mailbox is accessible to others: a shared entrance, a front garden on the street or a driveway. You decide who knows the code and how often you change it.

Topak and WALL: two models with a combination lock

The Topak is a parcel mailbox with a more spacious compartment, intended for those who want to receive parcels regularly in addition to letters. The model combines a parcel compartment with a combination lock, so that the delivery person or a housemate gets access without a key. That way a parcel does not have to stay on the doorstep when you are not at home.

The WALL is the sleeker, wall-oriented model in the range. Here too a combination lock can be part of the version, depending on the version you choose. The WALL looks minimalist and fits an architecture in which the mailbox is more of a quiet detail than a striking element.

Both models are made of aluminium, a material that stays light and can withstand wind and weather. For the finish you choose from a wide colour palette, with more than 2000 RAL colours, so that the mailbox can match the facade or form a subtle accent. If you want to see the models side by side, you will find an overview at all models.

What should you pay attention to when choosing?

First determine what you use the mailbox for. If you mainly receive letters and small items, a slim model is sufficient. If you expect parcels regularly, a parcel mailbox such as the Topak is more practical, because the parcel compartment gives the delivery person room to leave something safely.

Also look at the placement. Is the mailbox mounted on the facade or does it stand freely by the driveway? A wall model such as the WALL requires a different installation than a freestanding one. Also think about the letter flap: it determines how letters are inserted and how neat that looks on the outside.

Finally: agree on the code arrangements with those who use the mailbox. Agree on a clear numerical code, change it when someone no longer needs access and do not write it on or near the mailbox. That way a mailbox with a code lock remains simple and careful in use.

If you want even more convenience, a smart mailbox can be interesting, for example with a notification when something has been delivered. Ask an authorised sales point which options are available on your model.

Further reading: Smart mailbox · Letter flap · All models

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What is a letterbox with a combination lock?

You open a letterbox with a combination lock using a numerical combination you choose yourself instead of a key. You set the code and change it whenever needed. You will find this among others on the Topak parcel model and the WALL. The lock secures the operating mechanism, not the entire housing.

Frequently asked questions

Good to know

What is the difference between a number lock, combination lock and code lock on a letterbox?
In practice, people mean the same thing: you open the letterbox with a numerical combination you choose yourself, instead of with a key. The terms combination lock, code lock and number lock are used interchangeably. You will find such a lock among others on the Topak and the WALL, depending on the version chosen.
Is a letterbox with a combination lock theft-resistant?
A number lock protects the operating mechanism of your letterbox, but does not make it impenetrable. It does not by definition prevent someone from taking the entire housing. See it as access control: you decide who knows the code and change it whenever needed. For specific requirements around theft prevention, we refer you to your insurer or a recognised point of sale.
Do I have to use a parcel letterbox with a combination lock for parcels?
No, you decide for yourself how you use the letterbox. A parcel model such as the Topak has a more spacious compartment, which is handy when you regularly receive parcels and are not at home. If you mainly use the letterbox for letters, a slimmer model will suffice. Check with bpost or your delivery person which arrangements apply for leaving parcels.

Which letterbox suits you?

Go through the selection guide or find a recognised point of sale in your area.

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