Boulder ZIP Code Map and List
Find 11 Boulder ZIP code entries with county details, coordinates, and quick links to Google Maps and Waze. Browse the ZIP code map and local ZIP table.
Boulder ZIP Codes at a Glance
Boulder, Colorado contains 11 ZIP code entries across Boulder County. Use this map to locate ZIP codes by area and verify exact addresses with USPS, as ZIP boundaries are approximate.
About ZIP codes in Boulder
Boulder's ZIP codes serve residents, businesses, and visitors navigating the city's diverse neighborhoods from the University of Colorado campus area to the foothills. ZIP lookup is useful for mail delivery, service area verification, and understanding Boulder's geographic divisions. The city spans multiple postal zones, making a visual map helpful for determining which ZIP applies to a specific address or location.
How to Use This ZIP Code Map
Start with the Boulder ZIP code map to see where the listed ZIP code points sit around the city. Then use the table to compare postal place labels, counties, and coordinates. For final mail delivery, confirm the full street address with USPS or another address-level lookup tool.
Data quality note: Some ZIP code entries share the same source coordinates: 80307 and 80314 map to the same centroid, as do 80309 and 80310. This reflects how postal data is compiled and does not indicate boundary overlap.
Boulder ZIP Code Map
This map displays all 11 Boulder ZIP code entries plotted by their reference coordinates. Click or hover on markers to see ZIP details. Use the map to identify which postal zone covers a general area, then verify the exact ZIP for any specific address.
Printable Boulder ZIP Code Map
For a printable Boulder ZIP code map, open the map image in a larger view and use your browser print dialog. Choose landscape orientation for the map and portrait orientation if you mainly need the ZIP code table. Because ZIP codes can change and postal areas do not always match city limits, printouts should be treated as reference copies rather than official USPS maps.
Boulder ZIP Code Table
The table below lists all Boulder ZIP codes with their assigned areas and reference coordinates. Sort by ZIP code or area label to find what you need. Remember that these coordinates represent postal centroids, not precise boundaries.
| ZIP Code | Postal place | County | Coordinates | Map |
|---|---|---|---|---|
| 80301 | Boulder | Boulder County | 40.0497, -105.2143 | GoogleWaze |
| 80302 | Boulder | Boulder County | 40.0172, -105.2851 | GoogleWaze |
| 80303 | Boulder | Boulder County | 39.9914, -105.2392 | GoogleWaze |
| 80304 | Boulder | Boulder County | 40.0375, -105.2771 | GoogleWaze |
| 80305 | Boulder | Boulder County | 39.9807, -105.2531 | GoogleWaze |
| 80306 | Boulder | Boulder County | 40.1022, -105.3847 | GoogleWaze |
| 80307 | Boulder | Boulder County | 40.0878, -105.3735 | GoogleWaze |
| 80308 | Boulder | Boulder County | 40.0277, -105.3868 | GoogleWaze |
| 80309 | Boulder | Boulder County | 40.0150, -105.2705 | GoogleWaze |
| 80310 | Boulder | Boulder County | 40.0150, -105.2705 | GoogleWaze |
| 80314 | Boulder | Boulder County | 40.0878, -105.3735 | GoogleWaze |
What each Boulder ZIP code is useful for
ZIP codes do not always match exact neighborhoods, but these notes add context to the table and help you decide which entries to check first.
Boulder
Located in the northeastern portion of Boulder, this ZIP commonly serves residential and commercial areas near the foothills.
Boulder
Covers a central Boulder area, often associated with downtown and nearby neighborhoods.
Boulder
Serves the southern Boulder region, including residential areas and local commercial zones.
Boulder
Located in central Boulder, this ZIP is commonly used for addresses in the heart of the city.
Boulder
Covers the south-central area of Boulder, serving residential and mixed-use neighborhoods.
Boulder
Located in the northwestern portion of Boulder, this ZIP often covers areas toward the foothills and open space.
Boulder
Serves the western Boulder area. Note: This ZIP shares a reference coordinate with 80314; check the exact address with USPS to confirm which applies.
Boulder
Located in the western portion of Boulder, commonly associated with areas near the city's western edge.
Boulder
Covers a central-south Boulder area. Note: This ZIP shares a reference coordinate with 80310; verify the exact address with USPS.
Boulder
Serves the south-central Boulder region. Note: This ZIP shares a reference coordinate with 80309; check the exact address with USPS to confirm which applies.
Boulder
Located in the western Boulder area. Note: This ZIP shares a reference coordinate with 80307; verify the exact address with USPS.
Boulder ZIP Codes by County
All Boulder ZIP codes fall within Boulder County. This county context helps with regional mail routing, service coverage, and understanding how postal zones align with county geography.
Boulder County
80301, 80302, 80303, 80304, 80305, 80306, 80307, 80308, 80309, 80310, 80314
Nearby ZIP Code Maps
Fort Collins, Colorado is approximately 40 miles north of Boulder. If you need ZIP information for that area, check the Fort Collins ZIP code map.
ZIP Codes vs ZCTAs
These ZIP codes are based on postal data and ZCTA (ZIP Code Tabulation Area) references. ZCTAs are Census Bureau approximations of ZIP service areas and may not match exact USPS delivery boundaries. Always confirm the correct ZIP for a specific address with USPS.
Frequently Asked Questions
How do I find the correct ZIP code for a specific Boulder address?
Use this map to identify the general ZIP zone for an area, then verify the exact ZIP code with USPS.com or by contacting the local post office. ZIP boundaries are approximate, and some addresses near zone borders may be assigned differently than expected.
What is the difference between a ZIP code and a ZCTA?
ZIP codes are USPS mail delivery routes, while ZCTAs (ZIP Code Tabulation Areas) are Census Bureau approximations used for statistical purposes. They often overlap but are not identical. This map uses ZCTA data as a reference; for official USPS boundaries, consult USPS directly.
Why do some ZIP codes on the map share the same coordinate?
When multiple ZIP codes share a coordinate, it means they have the same postal centroid in the source data. This reflects how postal databases are compiled and does not indicate the ZIPs are identical. Always verify the correct ZIP for your specific address.
Can I use this map for official mailing or service area purposes?
This map is a reference tool and is not an official USPS map. For authoritative ZIP boundaries and mail delivery confirmation, use USPS.com or contact your local post office.
How current is this ZIP code data?
This data was last updated on May 23, 2026, using GeoNames postal data and US Census ZCTA references. ZIP codes can change, so always verify current information with USPS for critical applications.
Are there other ZIP codes near Boulder I should know about?
Fort Collins, Colorado, approximately 40 miles north, has its own set of ZIP codes. Check the Fort Collins ZIP code map if you need postal information for that area.
Data sources and methodology
This map combines GeoNames postal code data, US Census ZCTA references, and manual validation to display Boulder's ZIP codes. Coordinates represent postal centroids derived from address databases, not official boundary lines. Data was last updated on May 23, 2026. For authoritative boundary information, consult USPS or the Census Bureau directly.
For exact mail delivery, always verify the final address and ZIP code with USPS or another official address source.
- GeoNames Postal Code Data
- US Census ZCTA reference
- Manual validation
Last updated: 2026-05-23
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