Product: Debt collection

It was brought to my attention in XXXX of XXXX that National Credit Systems , Inc was collecting a debt for XXXX At XXXX XXXX Apartments in the amount of {$7100.00}. I immediately disputed with the 2 credit bureaus that showed this account. This could not be my account because of the amount. On XXXX XXXX, XXXX I reached out by phone to National Credit Systems , Inc, spoke to XXXX XXXX, and disputed ownership of this account. On XXXX XXXX, XXXX I called XXXX XXXX for an update. I was informed that the Apartment Complex called the day before and confirmed that this is my account. I asked for an itemized list of charges by email. The list is clearly incomplete, it looks pieced together. I then gave her a list of items that I was disputing, including an amount of {$4000.00} for accelerated rent. I also pointed out that the deposit shown was incorrect, and had not been applied to any of the balance. On XXXX XXXX, XXXX, I called and spoke to XXXX XXXX about an update on the dispute. She informed me that nothing had been responded to, and that 30 days would be up on XXXX XXXX, XXXX. I asked her what happens if the Apartment complex does not respond by then. She stated that they would have to close the account at that point. On XXXX XXXX, XXXX I called XXXX XXXX to ask what the status of the dispute was, and she informed me that the Apartment complex had not responded. I then asked that they close the account, and she said they would not. On XXXX XXXX I called to speak with XXXX XXXX using her extension and got XXXX, who states he is the floor supervisor. XXXX informed me that the Apartment complex does not have to validate or prove anything, and they are not bound to respond to anything within 30 days. I then requested the rental history on the unit in question. He was not hearing any other disputes. On XXXX XXXX XXXX XXXX called me to inform me that they removed the accelerated rent in the amount of {$4000.00}, leaving a balance of XXXX. I asked for another itemized list of what was still being charged, and to today 's date, XXXX XXXX, XXXX I have not received the revised list. On XXXX XXXX, XXXX XXXX returned my call that I placed to XXXX XXXX on XXXX XXXX, XXXX. In that call, I explained that I had not received the new itemized list of charges, but would like to settle this account for {$1200.00}. I was told by XXXX that that was not going to happen. On XXXX XXXX I made a call to XXXX XXXX XXXX, the management group for XXXX at XXXX XXXX  apartments. He stated that he would reach out to National Credit Systems and have them call and talk with me. I called again on XXXX XXXX, XXXX, and he was surprised no one had called me. He said he would try again. I then called again on XXXX XXXX, XXXX, and he explained that he wrote an email to the manager of National Credit Systems, and confirmed my account number that I gave him. He stated that when he spoke to them the day before, they could not find my account. I called National Credit Systems on XXXX XXXX, XXXX, and got XXXX again. He stated that they had received the email, but felt that they did not need to call me because they had spoken with me earlier in the week.I again offered to pay {$1200.00} to settle the account, and XXXX informed me that there is not a settlement offer on my account. I then asked to speak to a manager above him, he stated that they do not answer phone calls, and I could not just speak to a manager because I did not like what he was saying. When I asked what did he mean the managers do n't answer phone calls, he got loud and said thank you for calling National Credit Systems and hung up. I then called back and asked the operator to speak to a manager above XXXX, she transferred me to XXXX. I asked XXXX what his position was, and he stated XXXX XXXX. He then put me on hold. He came back, and I asked to speak to a manager above him and XXXX. He asked me what could he help me with. I asked again if he was the manager, he stated that he told me what his position was. I asked for a manager above he and XXXX, he put me on hold, and sent me to his own voice mail. 
National Credit Systems is still reporting a debt of XXXX on my XXXX and XXXX credit reports.