Citibank Debt Collection Complaint

Citibank Debt collection department,

Credit card Communication tactics Frequent or repeated calls Utah

I believe I am late on a payment with Home Depot - handled through Citi. So, about 35 days delinquent. I was called twice yesterday ( -/-/2015 ) and today ( -/-/2015 ) already 4 times on my mobile ( - - ) Call from ( - ) - -Call from ( - ) - -Call from ( - ) - -Call from ( - ) - -This is excessive and abusive to call so much in one day. not once was a message left. i did not give them permission to call my mobile number.