In the past psychics used 900 numbers to bill you. You call a special 900 number and the charges were billed directly to your phone bill. Problems will billings and fights over exactly what was being charged caused 900 number services to be replaced by credit cards. Most telephone psychic readings will request that you pay up front for you minutes, which they then bill to your credit card. This allows you to spend what you want and not get any surprise charges on your phone bill. Beware of psychic advisors that bill you after the call, many use stalling tactics to keep you on the phone longer than you wanted.