To start building your List:
- Go to Contacts > Segments & lists & click Create a new segment or list
- Select Create a list:

- Give the List a name
- Select Add a contact
To add contacts from existing contacts;
- Select From Existing Contacts. A modal will open.
- Single-select or select all contacts:

OR
To add from phone number;
-
Select Enter Phone Number
-
Enter the phone number into the dropdown
-
Once you’ve added your contacts, click Next