Think! Why would WalMart call you? What reason would they have? Now a scammer trying to fool you into thinking that you're getting something, for a small advance 'fee', that's a different story.
This no is scam .i also got a cal from this no ,for job the agent name is ajay or may b rahul he belongs from maharashtra .company name oxford visa and placement .he ask for visa and medical fees .dnt give him he took from me aswel ,he is fraud and dnt trust him guys .his no is 7715086173.