 Inside the air-conditioned comfort of Big Pop Fireworks in Ellisville. Shop local for selection price and friendly advice. We're open today, waiting on you. Take Exit 90 off I-59 and you're almost there. Happy 4th of July from Big Pop Fireworks. 601-319-5248. From the Mississippi Power Studios, this is the Voice of the Pine Belt. News Radio 98.1 WMXI. Ellisville, Laurel, Hattiesburg.