Wells Fargo bank Houston Texas CALLS ME DAILY TO COLLECT A BILL OWED BY WHOM EVER HAD MY PHONE LAST?

I get a call at least daily from Wells fargo Phone number 866-742-5318 ext 4512.

I just came back from a month vacation and had 27 recorded calls . I have told them a hundred times I just got this number in may and have never even heard of wells fargo bank. Got any nasty Ideas..I want them sued..