Toll-free telephone number is a telephone number that is billed for all arriving calls instead of incurring charges to the originating telephone subscriber. It allows callers to reach businesses and/or individuals without being charged for the call. The charge for using a toll free number is paid by the called party (the toll free subscriber) instead of the calling party. Toll free numbers can be dialed directly to your business or personal telephone line. Toll-free telephone number is a telephone number that is billed for all arriving calls instead of incurring charges to the originating telephone subscriber. It allows callers to reach businesses and/or individuals without being charged for the call. The charge for using a toll free number is paid by the called party (the toll free subscriber) instead of the calling party. Toll free numbers can be dialed directly to your business or personal telephone line.