I received a text message on December 18 19:19 EST from (404) 293-7527 claiming that my entry has won and I need to visit winbigbb.com/?5.18 and enter code 1122 to claim.
It seems like a ploy to retrieve information from you, as the website doesn't contain any scripts to authenticate any information that you type into it. I typed in complete gibberish and it just kept going on to the next prompt to enter more information which were just pop-up ads for various offers.