80166 is the ZIP Code for The Arapahoe County Offices in Littleton, Colorado. 80166 is entirely within Arapahoe County. Regionally, 80166 is located in Metro Denver.
| ZIP Code Name | Littleton |
| Organization | The Arapahoe County Offices |
| Primary County | Arapahoe County |
| ZIP Code Type | Unique |
| Current Time | MDT |
| Coordinates | 39.61943436,-105.01447296 |
| Adjacent ZIP Codes | |
| Neighborhoods in 80166 | |
| Region | Metro Denver |
| Metropolitan/Micropolitan Stat Area | Denver-Aurora-Lakewood, CO |
| Time Zone | Mountain Daylight Time |
| IANA Timezone | America/Denver |
| School Districts in 80166 | |
| Elementary Schools in 80166 | |
| Middle Schools in 80166 | |
| High Schools in 80166 |