Find the last 4 digits (ZIP+4) for an address in 80302

ZIP 80302, Boulder, CO is filled in. Just type the street address.

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ZIP Code 80302 – Boulder, CO

Boulder, Colorado · Boulder County · Mountain time

ZIP code80302
CityBoulder
StateColorado
CountyBoulder County
Population29,569
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area93.89 sq mi
Center (lat, long)40.0251, -105.3487

Area codes in this area

303720983

These are the area codes that most often serve ZIP 80302 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

80308 Boulder · 2 mi80304 Boulder · 3.5 mi80309 Boulder · 4.2 mi80307 Boulder · 4.5 mi80314 Boulder · 4.5 mi80310 Boulder · 4.8 mi80455 Jamestown · 5.5 mi80306 Boulder · 5.7 mi

About ZIP 80302

ZIP code 80302 is assigned to Boulder, Colorado. It lies in Boulder County. Its Census area covers about 93.89 square miles of land. The closest neighboring ZIP is 80308 (Boulder), about 2 miles away.

Every address in 80302 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources