If your phone rings just once from a three-digit area code, you may assume the call is coming from somewhere in the United States and be tempted to call the number back. But satisfying your curiosity ...

If you never answer your phone anymore, I don't blame you. Thanks to robocalls, scammers, and unknown callers, who would want to pick up? You don't have to put up with it, though. I have tips to stem ...