They say callers from a phone number with an 873 area code are trying to deceive Oklahoma residents into believing they won a large sum of money for a Mega Millions sweepstakes game.
The callers tell the person answering the phone that all they need to do to get the money is pay taxes on the prize up-front.
Lottery officials say they will never ask for an up-front payment in order to claim a prize.
The Oklahoma Lottery security department urges anyone who receives a call that could be a potential scam to contact the Attorney General's Office (405.521.3921) or the Federal Trade Commission (877.382.4357). If anyone ever receives such a call, you can call the lottery to verify the source at (405) 522-7700.
All Oklahoma Lottery prizes over $600 must be claimed in person either at an Authorized Oklahoma Lottery Claim Center or at Oklahoma Lottery Headquarters. All prizes over $5,000 must be claimed at Oklahoma Lottery Headquarters in Oklahoma City.
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