This is a community of o2 customers @KamilKamil so we can't block it for you.
What I would suggest is either get someone you know to call on your behalf, or message o2 using social media using the links below.
Guide: How to find help & contact O2
You might be able to get a new sim from your local o2 store - take some photo ID with.
Ultimately you need to tell o2 as soon as possible.
Please note, this is not customer services and we cannot access your account. Do not publish personal details (email, phone number, bank account).
Link to our guide on how to contact them can be found here
