I just got this new phone number about 4 days days ago since I signed up for Cricket wireless phone service. Ever since then this number has been calling constantly. They even called at 5:56pm last SUNDAY. They need to stop ringing my number! It's already becoming very annoying. I registered with the do not call list, and if they keep calling I will report them when my registration takes effect. Either that or the FCC. I didn't sign up for cell service to have strange calls coming in . I have never had any business with NCO Credit One card or whatever they are. Stop calling!