ZIP Code 80309
Boulder, Colorado
ZIP Code Information
ZIP code 80309 is the delivery code the USPS assigns to Boulder, Colorado. The ZIP lies within Boulder County. Clocks here follow the America/Denver time zone (UTC-6).
What you can do with ZIP code 80309
- Write a mailing address: Boulder, CO 80309. The ZIP goes last, after the state abbreviation.
- Check whether a shipping or delivery quote applies to this area — most US carriers price by ZIP code rather than by city.
- Look up the local time zone before scheduling a call — the ZIP tells you which zone applies to that address.
- Compare the ZIP with neighbouring codes to see how population and income shift block by block.
Location Map
Full mapNearby ZIP Codes
Radius search| ZIP Code | City | Distance | |
|---|---|---|---|
| 80310 | Boulder | 0 km | Distance |
| 80302 | Boulder | 1.3 km | Distance |
| 80304 | Boulder | 2.6 km | Distance |
| 80303 | Boulder | 3.7 km | Distance |
| 80305 | Boulder | 4.1 km | Distance |
| 80301 | Boulder | 6.1 km | Distance |
| 80025 | Eldorado Springs | 9.3 km | Distance |
| 80308 | Boulder | 10 km | Distance |
| 80027 | Louisville | 11.4 km | Distance |
| 80307 | Boulder | 11.9 km | Distance |
Nearby Cities
Eldorado Springs, Colorado
(9.3 km)
Louisville, Colorado
(11.4 km)
Frequently Asked Questions
ZIP code 80309 is located in Boulder, Colorado.
ZIP code 80309 is in Boulder county, Colorado.
ZIP code 80309 is in the America/Denver timezone.