Transferring Calls and NEVER RESOLVED

I was trying to enquiry about existing Revolving loan account.so when I was trying to chat no one response, I have called customer service then he got line issue transferred to other consultant never answered then called again answered after long wait someone answered said transferring to relevant department after long wait someone else answered said same thing I can't resolve your enquiry . I was redirected and asking to enter ID when I enter my id number saying incorrect ID...Is there any other way to contact FNB.