Cities: Ault, Briggsdale, Carr, Dacono, Eaton, Erie, Evans, Firestone, Fort Lupton, Frederick, Galeton, Gilcrest, Gill, Greeley, Grover, Hereford, Hudson, Johnstown, Keenesburg, Kersey, La Salle, Longmont, Lucerne, Mead, Milliken, New Raymer, Nunn, Pierce, Platteville, Roggen, Severance, Stoneham, Windsor
Zip Code: 80504, 80514, 80516, 80520, 80530, 80534, 80542, 80543, 80546, 80550, 80551, 80610, 80611, 80612, 80615, 80620, 80621, 80622, 80623, 80624, 80631, 80632, 80633, 80634, 80638, 80639, 80642, 80643, 80644, 80645, 80646, 80648, 80650, 80651, 80652, 80729, 80732, 80742, 80754
Population: 359,442