The City police fraud section investigating a credit card scam.
The fraudsters are calling Saint Johners asking questions about their credit cards over the phone.
Some are even posing as investigator telling the card holder about a fraudulent purchase on their account.
In order to fix it, the card holder needs to give the caller their 3-digit verification number.
Police telling CHSJ News about 20 per cent of Canadians have found unauthorized charges on their accounts through these methods.
They warn residents to check their statements monthly and to never give out their account number over the phone unless they make the call and they know company is reputable.