Got this BOGUS billing on our AT&T phone bill for our business line. Details follow:

Billed on Behalf of BILLWITHUS, INC.
  Questions?    Call: 1 800 215-1961
  Charges for 530 229-0374
 
  Itemized Calls
  4-01 6-16   410P  Tempe      AZ 480 968-4731    DB          4.0           8.40
  KEY TO CALLING CODES
  B Collect               D Day
  # New services provided and billed.
 
  Total TRANSACTION CLEARING                                                8.40