Hello @Szymon2503 ,
Welcome to the community,
You need to ring customer service to get the card blocked and you can then order a replacement and let them know about a change of address.
You can ring them from any phone, including Skype for free:
08000798586
Other ways to contact them:
https://ee.co.uk/contact-ee/account-billing/mobile
To contact EE customer service dial 150 from your mobile phone or ring customer service for free using web based app or another phone: +44 800 079 8586 or +44 800 956 6000.
