outstanding balance

[Romaniak]

 I am no longer able to access this account

[Bambino]

@Romaniak  This is not O2. This is a customer community. If you ported your number to another provider, remove it from this post or you run the risk of getting spammed or scammed. Go to the down facing arrow above the date and time in your post and click Edit Reply to remove your number.

You should not have cancelled your Direct Debit. That doesn't cancel your contract. You should have followed this guide: Cancelling your contract - An updated guide - O2 Community

You need to speak to the Payment Management Team on 0800 902 0217.

The opening times are:

Monday to Friday – 8am to 8pm

Saturday – 8am to 6pm
Sunday – 9am to 6pm

https://www.o2.co.uk/help/account-and-billing/payment-support