WHERE did the Oxygen Channel go in Las Vegas?? What channel is it now? Going crazy!?

I went to oxygen.com typed in my zip code (Las Vegas- Pacific Time/ Cox Comm.) and it said channel 55. Well that's what channel it USED to be on up until a couple of days ago, now it's HGTV??? What is that??? I scanned ALL the channels for oh! and found nothing!! Where oh where, did it go????????