Scammers are sending scam texts like the one below from online.banking.activity.alerts asking potential victims to call them at 8665052107 and other 866 area code telephone numbers. Therefore, recipients of text messages from online.banking.activity.alerts asking them to call 866-505-2107, are asked not to follow the instructions in them. If you receive a text message that appears to be from your bank, instead of following the instructions in it, contact your bank directly to verify the authenticity of the text.