ZIP Code 80303
Boulder · Boulder, Colorado
80303 is the ZIP code of Boulder in Boulder, Colorado, United States.
- ZIP Code
- 80303
- County
- Boulder
- State
- Colorado
- Country
- United States
Place with ZIP code 80303
| Place | County | Location |
|---|---|---|
| Boulder | Boulder | 39.991, -105.239 |
Near Denver
The nearest major city is Denver, about 35 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 80303?
Boulder.
Which county and state is 80303 in?
Boulder, Colorado, United States.
What is the nearest major city to 80303?
Denver, about 35 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.