In Control Center, you can change the termination number(s) for any routing plan yourself (geographic routing, day-of-year, day-of-week, time-of-day, percentage allocation, etc.). If you need to, you can also change a termination number on multiple routing plans at once (known as bulk edit termination).
To change a terminating number on a routing plan:
Control Center displays a list of all services assigned to the accounts under your enterprise ID. If you have more than 10 services, you can view the rest of your services by clicking one of the blue linked Show numbers at the top of the list or you can click the blue down arrow at the bottom of the list to add 10 services at a time to the view.