CASFM has five regions:

Northeast——— All of Sedgwick, Phillips, Logan, Morgan, Weld, Larimer, Clear Creek, Gilpin, Washington, and Yuma counties, and those parts of Boulder county that are not generally considered part of the Denver Metropolitan Area.

Northwest——— All of Moffat, Routt, Jackson, Grand, Summit, Eagle, Garfield, Rio Blanco, Lake, Pitkin, Mesa, and Delta counties.

Southwest——– All of Montrose, Gunnison, Chaffee, Saguache, Hinsdale, Ouray, San Miguel, Dolores, San Juan, Mineral, Rio Grande, Alamosa, Costilla, Conejos, Archuleta, La Plata, and Montezuma counties.

Southeast——– All of Park, Teller, El Paso, Elbert, Lincoln, Kit Carson, Cheyenne, Kiowa, Crowley, Pueblo, Fremont, Custer, Huerfano, Otero, Bent, Prowers, Baca, and Las Animas counties.

Metro————— All of Denver, Broomfield, Jefferson, Adams, Arapahoe, and Douglas counties, and those parts of Boulder county that are generally considered part of the Denver Metropolitan Area.