To view and manage your lists of SMS subscribers compiled from various activities, use the left navigation to select Lists.
View subscribers By List
Or By Individual
Clicking on each list shows a breakdown of which numbers are verified and how many numbers have unsubscribed.
After clicking on an active list you can import and export records in CSV format as well as view totals of verified mobile numbers and those who have unsubscribed.
Additionally, you can manually unsubscribe mobile numbers from the Actions menu.
For steps on how to import/upload a list of mobile numbers, click here.