Who called from 6474994603

Someone using this number called claiming to be from CRA and requiring a return call from anyone in our household and our attorney ( U.S. term for lawyer ) or risk negative consequences. Most likely a scam

Yes i did received at my home today around 10.30.

There is a widespread IRS (or CRA) or "tax scam" being  practiced by scammers on both USA and Canadian residents.

Canadian tax payers should read this:
http://www.cra-arc.gc.ca/nwsrm/lrts/2013/l131210-eng.html