I have  received three calls from this number in less than 30mins and they don't leave a message, when you call back it says "the number is not reachable"

I got this call today saying it was a security issue and must call them right away.... i have yet to call.

I received same call claiming to be Bell Mobility Fraud Department...advised me to contact Police to make report...seems legit however I'm double checking.

Same thing, bell fraud dep....confirming my address to ship my phone

I got the same number calling! Got it 3 times in a row and no message!