Was notified by a rep. from First Collection Services XXXX XXXX stating I owed a debt XXXX. I disputed the validity of this debt and the rep stated the debt could be settled and would call me back with a offer at a specfic time and to have my debt card information available. I recieved a call from a four digit number XXXX at the said time. I refused the call and recieved more calls from the same number.