January 30, 2014
Jefferson City, Mo. – Missouri Attorney General Chris Koster today warned Missourians about a scam that can rack up unauthorized charges on your monthly cell phone bill. It's commonly referred to as the "One Ring" scam -- the scammers call your cell phone, let it ring once, and then hang up. The scam works when the target returns the missed call to the number on her caller ID.
Most of the calls come from numbers outside the U.S., especially Grenada, which has a 473 area code. When the target of the scam calls the number back, she can be charged $20 for the international call, plus additional per-minute charges for "premium services." Returning the call also confirms for the scammer that he has reached a working number, which can then be sold to unscrupulous overseas telemarketers.
To avoid this scam: