Click Services, then click Network, Security, and Communications.
Control Center shows a list of all services assigned to the billing accounts under the enterprise ID.
Search for the service in one of these ways:
Start typing details for the service (e.g., the product name, location, or service ID). Control Center filters the list of services as you type.
Filter your services by selecting an option from the All Service Types list.
To filter your services based on a specific value, select an attribute from the Advanced Filters icon (), click the section(s) you want to filter by, type your filter criteria, then click Apply.
When you find the service you want to work with, click the hyperlinked service ID or click the icon (in the Actions column), then click View Details.
Control Center shows details for the toll-free service you selected.
Click the Reservation Status tab.
Control Center shows the toll-free numbers you've reserved along with the status of the reservation, date the number was reserved, and date the reservation will expire. (If you have a lot of reserved numbers, you can filter the list by clearing (or selecting) the status(es) for reservations you want to view.
Select the checkbox next to the reserved number(s) you want to cancel, then click Cancel Selected.
In the confirmation window that appears, click Yes.