Littleton, CO ZIP Codes
Littleton, Colorado has 16 ZIP codes: 10 for street addresses (, , , , , and 4 more), 4 for PO boxes and 2 for single organizations.
Your street decides which one you use.
Which Littleton ZIP code is my address in?
Street ranges from the Census Bureau, 2026. PO box and organization ZIP codes are not found by street. A new street may be missing: address not found?
Littleton ZIP code map
Tap or point to an area to see its ZIP code.Full-size map
80160, 80161, 80162, 80163, 80165 and 80166 have no area on the map: they are PO box or single-organization ZIP codes. Dashed line: Littleton city limits.
Map: Census Bureau ZIP Code Tabulation Areas (2020) and place limits (2024).
All Littleton ZIP codes by type
| ZIP | Type and post office or station |
|---|---|
| 80120 | street delivery Littleton |
| 80121 | street delivery Centennial |
| 80122 | street delivery Centennial |
| 80123 | street delivery Columbine Hills |
| 80125 | street delivery Ken Caryl Ranch |
| 80126 | street delivery Highlands Ranch |
| 80127 | street delivery Ken Caryl Ranch |
| 80128 | street delivery Ken Caryl Ranch |
| 80129 | street delivery Highlands Ranch |
| 80130 | street delivery Highlands Ranch |
| 80160 | PO boxes at the Littleton post office Littleton |
| 80161 | PO boxes at the Centennial post office Centennial |
| 80162 | PO boxes at the Columbine Hills post office Columbine Hills |
| 80163 | PO boxes at the Highlands Ranch post office Highlands Ranch |
| 80165 | one organization Littleton |
| 80166 | one organization Littleton |
Why your mail may say Littleton when you live outside it
Littleton ZIP codes also cover Highlands Ranch, Ken Caryl and Roxborough Park, so a letter addressed to Littleton can go to a home outside the city limits.
A ZIP code does not set your city, school district or tax. Arapahoe County property records show which city you are in.
Littleton ZIP code questions
What is the main ZIP code for Littleton?
80120, the ZIP code of the main Littleton post office at 5753 S Prince St.
Which Littleton ZIP codes are for PO boxes only?
80160, 80161, 80162 and 80163. Mail to them goes to boxes at the post office, not to street addresses.
What county is Littleton in?
Arapahoe County, with parts in Jefferson County and Douglas County.
ZIP codes for towns near Littleton
More towns near Littleton: Wheat Ridge, Denver, Parker, Castle Rock, Arvada, Aurora, Westminster, Northglenn, Thornton.
Sources and last checked
USPS ZIP Locale Detail (October 1, 2026), GeoNames (CC BY 4.0), U.S. Census Bureau, HUD-USPS crosswalk.
Checked October 20, 2026. Sources · How we build our lists · Corrections