XXXX collector calls on Sunday XX/XX/2015 and threatens me about a XXXX account. I asked who he was and he said third part representing XXXX XXXX never identified himself. Just went into a statement that they would put this on my credit report. XXXX phone call on Tuesday XXXX XX/XX/2015 XXXX name as XXXX with XXXX out of Washington. said account was just received in there office on Friday. I never received any mail stating they represent XXXX today is XX/XX/2015 and still no letter.