Be careful calling the numbers back. There's another scam where they use the equivalent of a 900 number to do billing to anyone who calls. The scammers use co

Be careful calling the numbers back. There's another scam where they use the equivalent of a 900 number to do billing to anyone who calls. The scammers use country codes with 3 digits to try and trick you into thinking it's a US number and hope that you attempt to return the call.