657 Area Code Scam Text Messages and Calls: Have You Received One? Questions and Answers Answers: 4 Views: 214 Save Updated: Apr. 1, 2021 2021-04-01T13:07:06 Posted: Dec. 7, 2019 2019-12-07T06:21:34 Online Threat Alerts (OTA) Below are scams received from 657 area code telephone numbers. Please see the scams below. If you have received calls or text messages from area code 657 telephone numbers, please share experiences with us by leaving a comment below.