Boulder ZIP codes

All ZIP codes in Boulder

• 80025Eldorado Springs
• 80301Boulder
• 80302Boulder
• 80303Boulder
• 80304Boulder
• 80305Boulder
• 80306Boulder
• 80307Boulder
• 80308Boulder
• 80309Boulder
• 80310Boulder
• 80314Boulder
• 80455Jamestown
• 80466Nederland
• 80471Pinecliffe
• 80481Ward
• 80510Allenspark
• 80533Hygiene
• 80540Lyons
• 80544Niwot

How to write an address in Boulder

John Smith
Company Name
123 Main Street
BOULDER, COLORADO 80025
UNITED STATES

The ZIP code goes after the city, on the same line. Boulder uses the United States format NNNNN NNNNN-NNNN. See the United States address guide.

Cities near Boulder

• Westminster28 km, 4 codes
• Arvada28 km, 7 codes
• Thornton30 km, 1 code
• Denver39 km, 66 codes
• Aurora49 km, 17 codes
• Centennial59 km, 1 code
• Fort Collins65 km, 9 codes
• Greeley66 km, 6 codes

Questions about Boulder postal codes

What is the ZIP code of Boulder?

Boulder doesn't have a single ZIP code. It has 20 of them, from 80025 to 80544, and each street or district has its own. Click the map above to find the code for an exact address.

How do I write an address in Boulder?

Use this order, one part per line: John Smith / Company Name / 123 Main Street / BOULDER, COLORADO 80025. The ZIP code goes after the city, on the same line.