Our coverage area consists of all of Montana, Wyoming from Casper north (excluding the Jackson area), and the western side of South Dakota. Montana counties: ALL Wyoming counties: Park, Big Horn, Sheridan, Campbell, Crook, Hot Springs, Washakie, Johnson, Weston, Sublette, Freemont, Natrona, Converse, Niobrara, Yellowstone National Park South Dakota counties: Butte, Meade, Custer, Harding, Pennington, Lawrence, Fall River, Perkins, Shannon Lumen FX 801 14th Street West Billings, MT 59102 Voice 406.245.7116 Fax 406.245.7703