Rcs

I have RCS card since from last month they have been sending me letters that am in arrears and am not I pay my account every month,when I called them to fix my account no one want to assist they don't even reply to my email I need somebody to call me and discuss why they can't update my account I need answers I can't be listed for something that I pay this is bad service ever and when I called them am using my airtime and no one knows what happen i need i call with 24 hour RSc cant list me for something that I pay I need answer now my account no:***