You get emails about scams and stuff all the time. Snopes.com is your friend in these cases, of course, filtering the fact from the fiction. In this case, though, why not go straight to the carrier?
If you haven't heard about the 809 Area Code scam, it's a real thing, but usually rather exaggerated. Here's what AT&T has to say on the subject. Worth a read, just to be aware.