80306 ZIP Code — Boulder, CO
Boulder County, Colorado
ZIP code 80306 is located in Boulder, Colorado, within Boulder County. It covers approximately 0.00 square miles and serves a population of 0 residents. This is a standard ZIP code in the Mountain (MT) timezone, served by area code 303.
0
population
0.00
sq mi land
Standard
ZIP type
Mountain (MT)
timezone
80306 ZIP code map
Cities in ZIP code 80306
Below are the cities the US Postal Service accepts for ZIP code 80306. Using any city not on this list may result in mail delivery delays.
| City | Status |
|---|---|
| Boulder | Acceptable |
Demographics
updated 05/2026
| Population | |
|---|---|
| Total population | 0 |
| Population density | 0 / sq mi |
| State FIPS | 08 |
| County FIPS | 013 |
| Geography | |
|---|---|
| Land area | 0.00 sq mi |
| Water area | 0.00 sq mi |
| Latitude | 40.0153 |
| Longitude | -105.2702 |
| Timezone | Mountain (MT) |
| Area code | 303 |