NEW YORK (CBSNewYork) – There is a new warning about a robocall scam.

The Federal Communications Commission says look out for calls that ring only once.

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Scammers are trying to trick you into calling them back.

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Once you do, you could get billed for calling a premium rate phone number.

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The FCC says the robocalls have a “222” area code, and tend to happen late at night.