Either download the Sample .CSV file and paste the values of into the sample, resave it with a proper file name, example: "2025-02-14-local-3212-bargaining-updates-flex-n-gate-afternoon-shift-only".
Or, simply paste in the phone numbers in the second box, one phone number per line(this is only recommended if you need to quickly import opt ins. Uploading a CSV allows you to more information, which is best practice).
Then, click "PREVIEW" and make sure the data gave you no errors. Then click "CREATE"