You can check to see if a toll free number is available by searching all available (unassigned) numbers at the following link:
Numbers that are not currently assigned to a carrier via that carrier's resporg ID can be reserved on our side. Please let us know if you find an available toll free number you wish to add to your thinQ account.
*Please note thinQ keeps our own inventory and have plenty of toll free numbers available for immediate purchase in thinq.io via Inbound- Get Numbers.*