Your SIM cards

You cannot make this change, because your line has been temporarily suspended.
Activate your new SIM card below.




Activate SIM card
This Sim card is blocked Request new SIM card
This SIM card is blocked (e.g. due to an unpaid bill). You can't make any changes at this time.
We have received your request to block your SIM card. There may be a brief delay before this also appears properly on this page.
You asked us to unblock your SIM card. This request is now being processed. It may take some time before you see the changes on the page below.

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Block all outgoing calls, texts and mobile data

Block SIM card

Easily and temporarily block certain services, such as calling, texting and mobile data in Belgium or while roaming.

Block a service

Request a new SIM card, keeping your current mobile number. You will receive your new SIM card by mail.

Request new SIM card
Block SIM card

Unblock SIM card

Need help?

We are here for you!

Just let us know what we can do. Please note: We are very busy at present. It may be a while before you hear from us. But we will answer as quickly as possible!

Do you still have questions?


Find your answer
in our frequently asked questions.

Contact us

Ask your question
via the contact form.

My BASE app

Download the My BASE app and manage
your BASE account via your smartphone.