MMDBiz provides toll as well as toll-free numbers within minutes
most businesses provide toll-free numbers for their clients.
MMDBiz can help your business to take advantage of toll-free numbers at a very low cost.
what is toll-free?
A toll-free telephone number or freephone number is a telephone number that is billed for all arriving calls instead of incurring charges to the originating telephone subscriber. For the calling party, a call to a toll-free number from a landline is free of charge.
definition from Wikipedia
which numbers are toll-free?
In the United States of America, Canada and other North American Numbering Plan countries, a toll-free telephone number is any number in area codes +1-800, +1-888, +1-877, +1-866, +1-855 or +1-844. These numbers are free to the caller if dialed from a land-line telephone but will incur mobile airtime charges for cellular users.
definition from Wikipedia
keep things simple - toll and toll-free pricing is the same with MMDBiz
it is really up to your business needs whether you pick a local toll number (DID) and/or toll-free number.