It's an actual radio station in DC.  Here is the voicemail they left me, hope this helps:

Hi there it's Chilly Omar from the 97 point one wash FM morning show. I'm sorry I missed you but I'm calling you to let you know that wash FM is giving away $500.03 times each weekday and you could win just for listening while you work. All you have to do is listen for a song from the artist of the day weekdays and the 8:00 12:00 and 3:00 hours and when the song plays just be the 25th caller to 8661 Chef and one that's 866-927-4361 and you'll instantly win $500. How easy is that just get the complete list of winning [email protected] or listen to me and we weekday mornings at 720 and we'll tell you that Dave artist your chance to win $500.03 times each weekday.