A toll free number, better referred to as a 1800 number or toll free no, may be a virtual number that saves your money once you dial it. In simpler words, a toll free numbers are the numbers that permits the decision to transfer the fees of the call to the one that is being called. You call Firm Z, you do not get charged. Firm Z pays for your call. A toll-free number is usually within the form 1800-GHI-ABCD. When subscribing to a toll free number, keep a glance out for ‘1800’.