u can always call back their cs to double confirm

You may check the fake calls thread to see whether you received calls from scammers.
Click here

Modus operandi very suspicious. Instead of asking people here, common sense this is something irregular. And you should provide the number which you receive the call from ... provide evidence to substantiate your statement.

Readers here can easily jump to such unverified claims and I will not hesitate to delete such posts which is ambiguous and may lead to unnecessary alarms.