Cities: Allenspark, Boulder, Eldorado Springs, Hygiene, Jamestown, Lafayette, Longmont, Louisville, Lyons, Nederland, Niwot, Pinecliffe, Ward
Zip Codes: 80025, 80026, 80027, 80028, 80301, 80302, 80303, 80304, 80305, 80306, 80307, 80308, 80309, 80310, 80314, 80321, 80322, 80323, 80328, 80329, 80455, 80466, 80471, 80481, 80501, 80502, 80503, 80510, 80533, 80540, 80544
Population: 326,831