NBA Nashua Mobile Account handed over for collection - Harassment!

I am receiving sms’s from NBA Nashua and NuDebt over a very long period, stating that I owe money. 'Your NBA Nashua Mobile account has been handed over for collections. Our client has instructed us to collect the full outstanding balance due on the account' This is impossible as I never ever signed up with Nashua. I have a MTN account under the same name, and with the same number for the past 25+ years. I just ignored it and blocked the numbers, but it kept coming!! I decided to follow this up, because my credit record might be at risk here? So I called NuDebt hundreds of times to resolve the issue, and I spoke to numerous people, always explaining the same issue, and complaining about the harassment. Every time I requested them to send me a copy of the contract I apparently signed with Nashua, and therefore gave them my email address. If it is my signature on the contract, I WILL PAY immediately, Still no email and still no contract. They can’t, because I never signed up with Nashua, and to my knowledge, I did not even have email at the time in question.

NuDebt also told me the system shows that I apparently called THEM to make an arrangement to pay the money back, from the mobile number in question. So I asked for the number and they gave it to me. I immediately called the number and a man answered the phone. I asked for his name and surname, and then informed him that my identity was used to sign up for his mobile account, and that I am going to report this to police. He asked me not to report the matter to police. I informed NuDebt about this and asked them to investigate possible *****, because I don't know this man, has never heard his name, and I am a white female and he is a black male. The crazy thing is that my TrueCaller app displays the man’s name and surname, and matches the name he gave me. It was so easy to get hold of the man on the number linked to the contract. I called him again yesterday from a No Number, and he answered immediately. The other crazy thing is, the contract is still active and open! Why was this line never disconnected or suspended? I forgot to pay MTN one time, and they suspended my line after a few DAYS!

Everything was quite for a while, but then I received my first email yesterday from NuDebt stating: Handover instruction received. Remember, I gave them my email address!! The crazy thing is that I am spending my time and my money, trying to resolve the matter, in order to protect my credit record. Please just call the number in question, speak to the guy, ask the questions, resolve the issue with him and or investigate the matter. Kindly refrain from sending me sms’s and now also emails. Please, I and cannot bear the harassment any longer. I just want this resolved, and my name removed from this contract and from your database. Please revert back to me asap.