If the debt was discharged in your bankruptcy, then any collection attempt would be improper as your obligation to pay would be cancelled by the bankruptcy.
If the debt was not discharged or included in your bankruptcy, or if this debt was incurred after the bankruptcy, then the debt would be collectible so long as the statute of limitations
was met. The period is 4 years from the date of the default on the account.
If your account has been frozen, that generally means that the creditor has a judgment against you, and a garnishment
has been issued to freeze your account. It is possible to challenge the garnishment or freezing of the account, but you're going to need a local lawyer to see what the basis of the creditor's claim is, whether or not a judgment has been issued, and what the basis of your account's seizure is.
Those are all things that you'll need to look at to see if you have grounds to challenge the freeze on your account. If the creditor has attempted to collect a discharged debt, frozen your accounts, etc., then you would have a legal claim against the creditor for its actions, and you could sue for damages.