Find the last 4 digits (ZIP+4) for an address in 80621

ZIP 80621, Fort Lupton, CO is filled in. Just type the street address.

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ZIP Code 80621 – Fort Lupton, CO

Fort Lupton, Colorado · Weld County · Mountain time

ZIP code80621
CityFort Lupton
StateColorado
CountyWeld County
Population15,060
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area126.6 sq mi
Center (lat, long)40.1072, -104.8013

Area codes in this area

303720983

These are the area codes that most often serve ZIP 80621 (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

80530 Frederick · 6.4 mi80520 Firestone · 7 mi80514 Dacono · 8.5 mi80651 Platteville · 9.2 mi80601 Brighton · 10 mi80642 Hudson · 10.7 mi80602 Brighton · 11.3 mi80516 Erie · 12.2 mi

About ZIP 80621

ZIP code 80621 is assigned to Fort Lupton, Colorado. It lies in Weld County. Its Census area covers about 126.6 square miles of land. The closest neighboring ZIP is 80530 (Frederick), about 6.4 miles away.

Every address in 80621 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