Who called from 6313063005

Called; did not answer; no message left.  Sure sign of robocall or scam.

No one said anything when I picked up, I kept cursing them until they hung up on me.

called back, "reward redemption you visited one of our sites and to show our thanks we have a $100 gift card for you...."

Received a call from this number, no message was left but when I called back it just rang and no one picked up.

BS type call