ZIP Code 80309
Boulder · Boulder, Colorado
80309 is the ZIP code of Boulder in Boulder, Colorado, United States.
- ZIP Code
- 80309
- County
- Boulder
- State
- Colorado
- Country
- United States
Place with ZIP code 80309
| Place | County | Location |
|---|---|---|
| Boulder | Boulder | 40.015, -105.270 |
Near Denver
The nearest major city is Denver, about 39 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 80309?
Boulder.
Which county and state is 80309 in?
Boulder, Colorado, United States.
What is the nearest major city to 80309?
Denver, about 39 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.