Harassment

they called me wanting my sociall security wouldnt give it to them told me i was wasting there time. My brother calles they left a message on his phone stating theyre trying to locate me and will call every beam or relative to locateme. this is harrassment because they know where i am and have my number . I have no idea what this is for!! what can I do? trying to discredit me especially when family members call and say a collector is looking for you. Help???