In order to create a Sideline account, you will need the following:
A valid carrier phone number from the contiguous United States
What isn't considered part of the contiguous United States:
- Puerto Rico
- American Samoa
- U.S Virgin Islands
- Northern Mariana Islands
Important: Any of the states mentioned above are not acceptable area codes that can be used when creating a Sideline account.
Tip: If you still wish to have a second phone number, you can always sign up for our other app 'Textfree' (which uses email for sign-up.) Please click here for more information about Textfree.
We are sorry for any inconvenience that this may cause. If you have further questions or concerns, please submit a request.