Note: You'll first want to make sure you have at least one Short Code created in the account.
Create a New SMS List
To create a new SMS list:
- Click Subscribers & Lists from the left-side menu and open the Lists folder.
- Click Add List
- Select the type SMS
- Enter a ListName
- Add a Description for internal reference
- Select a List Folder
- Click Save
Import into the New SMS List
If you already have a list of SMS Numbers and are ready to import it into the system, read the Wiki article, How to Import an SMS List.