To add contact numbers for Text Blast, follow these steps:
Click on “Text Blast”.
Add contact numbers in this format: 18044064234, +18044064234.
Separate numbers with a comma (",") and avoid extra spaces.
Include the country code to prevent errors.
Do not place a comma (",") after the last number.
Alternatively, you can upload a CSV file with the contact numbers formatted like the Phone Numbers Sample.
Click "Upload CSV" to automatically add the numbers in the correct format.