ZIP Codes in Boulder, CO

🏙️ Metropolitan Statistical AreaCBSA 1450032 ZIP Codes

Boulder, CO is a Metropolitan Statistical Area designated by the US Census Bureau. This CBSA (Core Based Statistical Area) contains 32 ZIP codes across CO. Each ZIP code is mapped to this CBSA based on the residential and business address ratios from the HUD-USPS ZIP Code Crosswalk data.

The ZIP codes listed below represent areas where the majority of addresses are associated with this CBSA. The Share column indicates the percentage of residential addresses in each ZIP code that fall within this statistical area.

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ZIP CodeCityStateShare
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