One important thing to remember if these losers have any of your personal information such as your social security number, date of birth or drivers license make sure you register with identity protection notify the credit agencies as well as your banks!!
**************************************
credit reports:  Experian, Equifax, TransUnion
http://www.consumer.ftc.gov/articles/0155-free-credit-reports
***********************
How to see if your on the chex system list:
http://www.wikihow.com/See-if-You-Are-on-Chexsystems-List

Consider maybe getting a call blocking device or phone.. You can google them and many are around $60.00 or so. Follow the steps in what you need to know:

http://800notes.com/arts/Jb8EW-eDhQA/harassin ... ou-need-to-know
See Residents post here also:
http://800notes.com/forum/ta-34af6a034ba34b6/unending-collection-calls
Templates of Letters:
http://800notes.com/Phone.aspx/1-319-242-7350

http://www.ftc.gov/os/statutes/fdcpajump.shtm
http://www.consumerfinance.gov/askcfpb/search ...
http://www.consumer.ftc.gov/articles/pdf-0096-fair-credit-reporting-act.pdf
http://www.consumer.ftc.gov/articles/0149-debt-collection

To File complaints FDCPA/TCPA violations:
Your State Attorney General
Their State Attorney general
https://www.ftccomplaintassistant.gov/#&panel1-1
http://www.consumerfinance.gov/complaint/