| Zip Code | Primary City | Secondary City | | 80120 | Littleton | | | 80121 | Littleton | Littleton, Cherry Hills, Grants Ranch, Centennial, Cherry Hills Village, Greenwood Village, Cherry Hl Vlg, Greenwood Vlg | | 80122 | Littleton | Centennial | | 80123 | Littleton | Littleton, Grants Ranch, Centennial, Columbine Valley, Denver, Lakewood, Bow Mar, Columbine Vly | | 80124 | Lone Tree | Littleton, Lonetree, | | 80125 | Littleton | Roxborough | | 80126 | Littleton | | | 80127 | Littleton | Denver | | 80128 | Littleton | | | 80129 | Littleton | | | 80130 | Littleton | Littleton, Hghlnds Ranch, Highlands Ranch | | 80160 | Littleton | | | 80161 | Littleton | Centennial | | 80162 | Littleton | | | 80163 | Littleton | Littleton, Hghlnds Ranch, Highlands Ranch | | 80165 | Littleton | Littleton City Offices | | 80166 | Littleton | Arapahoe County Offices |
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