evidence: If your phone rings once and then stops, don’t call the number back — even if it looks like a local or U.S. phone number. Scammers use international numbers that look like American phone numbers to trick you into calling them back, leaving you with massive charges. [...] Among the biggest risks of scammers having your phone number (and other personal information) is that they can open new lines of credit or take out loans in your name. [...] Phone scams are getting more insidious every year — and sooner or later, your phone number will be compromised. You must take preventative measures to protect your devices, finances, and identity.