🇺🇸 United States · Colorado
Boulder ZIP codes
Boulder, Colorado, has 11 ZIP codes, from 80301 to 80314. Which one applies depends on the street address.
- ZIP Codes
- 11
- Population
- 106,803
- State
- Colorado
- Coordinates
- 40.015, -105.2706
All Boulder ZIP codes
8030180302803038030480305803068030780308803098031080314
No code matches.
Data: GeoNames (CC BY 4.0) and zipcodestack.
Nearby cities
Find every code around Boulder with the radius search.
Frequently asked questions
What is the zip code of Boulder?
Boulder has 11 ZIP codes in Colorado. The right code depends on the street address; the list on this page shows all of them, starting with 80301.
How many ZIP codes does Boulder have?
Our data lists 11 ZIP codes for Boulder, United States.
How do I find the exact zip code for an address in Boulder?
Use the official postal service lookup or a geocoding API with the full street address. For software, the zipcodestack API returns city, region and coordinates for any zip code and can search codes by city or by radius.
Postal code API
Boulder ZIP codes in your app
zipcodestack looks up, validates and searches postal codes in 149 countries: city, state, coordinates, distances and radius search, as JSON.
/v1/code/city documentation ZIP code API All documentation
300 free requests every month. No credit card required.
GET https://api.zipcodestack.com/v1/code/city?city=Boulder&country=us
{
"query": { "city": "Boulder", "country": "us" },
"results": ["80301", "…"]
}Free postal code tools
Bulk ZIP code lookup
City and coordinates for a list.
Distance between ZIP codes
Miles or km between ZIP codes.
ZIP codes in a drawn area
Draw an area, get its codes.
What is my ZIP code?
Find the ZIP code where you are.
ZIP code radius search
All codes within X miles of a code.
Postal code validator
Is this postal code real?
Postal codes by countryFormats, regions and cities for 149 countries.