The following are the cities that each MCS office serves.

BILLINGS
Absarokee, Ballantine, Belfry, Bighorn, Boyd, Bridger Broadview, Busby, Columbus, Cooke City, Crow Agency, Crow Indian Reservation, Custer, Edgar, Fishtail, Fromberg, Grass Range, Hardin, Harlowton, Huntley, Hysham, Joliet, Judith Gap, Klein, Lame Deer, Laurel, Lavina, Lodge Grass, Luther, Martinsdale, Melstone, Musselshell, Northern Cheyenne Indian Reservation (share with Miles City office), Nye, Park City, Pompeys Pillar, Pryor, Red Lodge, Reedpoint, Roberts, Roscoe, Roundup, Ryegate, St. Xavier, Shawmut, Shepherd, Two Dot, Winnett, Worden, Wyola
Wyoming: Banner, Basin, Big Horn, Buffalo, Byron, Casper, Cody, Cowley, Dayton, Deaver, Emblem, Frannie, Garland, Green River, Greybull, Hyatville, Lander, Lovell, Manderson, Meeteetse, Parkman, Ralston, Ranchester, Rawlins, Riverton, Rock Springs, Shell, Sheridan, Story, Thermopolis, Ucross, Willwood, Worland

BOZEMAN
Amsterdam, Belgrade, Big Sky, Big Timber, Boulder, Butte, Cameron, Chico Hot Springs, Clyde Park, Dell, Dillon, Divide, Emigrant, Ennis, Gallatin Gateway, Gardiner, Harrison, Jackson, Lima, Livingston, Logan, Manhattan, Melrose, Pony, Pray, Ringling, Sheridan, Three Forks, Toston, Townsend, Trident, Twin Bridges, Virginia City, Walkerville, West Yellowstone, Whitehall, White Sulphur Springs, Wilsall, Wise River Wyoming: Afton, Big Piney, Boundurant, Cokeville, Dubois, Diamondville, Evanston, Jackson, Kemmerrer, Pinedale
Idaho: Ashton, Driggs, Idaho Falls, Island Park, Pocatello, Preston, Rexburg, Soda Springs, Victor

GREAT FALLS
Augusta, Babb, Belt, Big Sandy, Black Eagle, Blackfeet Indian Reservation, Box Elder, Browning, Cascade, Chester, Chinook, Choteau, Clancy, Conrad, Cut Bank, Dodson, East Glacier, Fairfield, Ft. Belknap Indian Reservation, Ft. Benton, Geraldine, Gildford, Harlem, Havre, Hays, Heart Butte, Helena, Inverness, Joplin, Kevin, Kremlin, Lewistown, Lincoln, Malta, Niehart, Pendroy, Rocky Boy Indian Reservation, Roy, Rudyard, Saco, Saint Mary, Shelby, Simms, Stanford, Sunburst, Sweetgrass, Valier, Winifred, Wolf Creek

KALISPELL
Big Fork, Columbia Falls, Eureka, Flathead Indian Reservation (share with Missoula office), Glacier National Park, Hungry Horse, Lakeside, Libby, Rexford, Rollins, Somers, Trego, Troy, West Glacier, Whitefish, The Yaak
Idaho: Bonners Ferry, Ponderay, Sandpoint

MILES CITY
Alzada, Ashland, Bainville, Baker, Broadus, Circle, Colstrip, Culbertson, Ekalaka, Fairview, Forsyth, Ft. Peck, Ft. Peck Indian Reservation, Froid, Glasgow, Glendive, Hinsdale, Jordan, Lame Deer, Medicine Lake, Nashua, Northern Cheyenne Indian Reservation (share with Billings office), Opheim, Plentywood, Poplar, Richey, Rosebud, Sand Springs, Savage, Scobey, Sidney, Terry, Volborg, Wibaux, Wolf Point
North Dakota: Beulah, Dickinson, Hazen, Minot, Watford City, Williston
South Dakota: Belle Fourche, Lead, Rapid City, Spearfish, Sturgis
Wyoming: Beulah, Gillette, Hulett, Moorcroft, Newcastle, Sundance

MISSOULA
Alberton, Anaconda, Avon, Condon, Conner, Corvallis, Darby, Deer Lodge, Drummond, Elliston, Flathead Indian Reservation (share with Kalispell office), Frenchtown, Hamilton, Hall, Noxon, Ovando, Paradise, Philipsburg, Plains, Polson, Ronan, St. Ignatius, St. Regis, Stevensville, Sula, Superior, Thompson Falls, Trout Creek, Warm Springs, Wisdom
Idaho: Coeur d' Alene, Grangeville, Hayden Lake, Kellogg, Lemhi, Lewiston, North Fork, Orofino, Salmon, Syringa