You can phone 03451 720046 or 03451 720088 Monday to Saturday or use Chat, @TismeSue.
https://community.talktalk.co.uk/t5/Articles/Our-live-chat-team/ta-p/2230529
Opening hours are also detailed on there.
Staff on the forum reply Monday to Friday, but the automatic escalation that should have got your post into the queue failed.
If you want further support on here, please look out for posts on your thread - any notification emails are No Reply only.
Gliwmaeden2, a fellow customer.
