Did you recently receive an error message that states "make sure you've entered a valid phone number and try again", but you believe to be sending to a valid phone number?
First, make sure you're attempting to send to a supported country. Sideline supports messages to numbers with +1 (North America) and + 5 (South America) country codes.
Countries Supported for SMS
|
Anguilla |
Dominica |
Peru |
|
Antigua |
Ecuador |
Puerto Rico |
|
Argentina |
El Salvador |
Saint Kitts and Nevis |
|
Bahamas |
Grenada |
Saint Lucia |
|
Barbados |
Guatemala |
Surinam |
|
Belize |
Guyana |
Trinidad and Tobago |
|
Bermuda |
Honduras |
Turks and Caicos Islands |
|
British Virgin Islands |
Mexico |
Uruguay |
|
Canada |
Montserrat |
Venezuela |
|
Cayman Islands |
Netherlands Antilles |
|
|
Chile |
Nicaragua |
|
|
Colombia |
Panama |
|
|
Costa Rica |
Paraguay |
*Please note: the above list is support for SMS. Sideline's carrier only supports MMS to countries within the US.
Other instances in which you may receive this error message:
- Intended recipient is a landline number
- Intended recipient is a short code (verification number)
If you have questions about the information above, or are still experiencing difficulty sending a message, let us know! Submit a request, chat with us, or text us with the phone number in question.
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