Find the last 4 digits (ZIP+4) for an address in 80521

ZIP 80521, Fort Collins, CO is filled in. Just type the street address.

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ZIP Code 80521 – Fort Collins, CO

Fort Collins, Colorado · Larimer County · Mountain time

ZIP code80521
CityFort Collins
StateColorado
CountyLarimer County
Population38,776
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area14.02 sq mi
Center (lat, long)40.5931, -105.1274

Area codes in this area

970

These are the area codes that most often serve ZIP 80521 (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

80523 Fort Collins · 2.3 mi80527 Fort Collins · 2.3 mi80553 Fort Collins · 2.3 mi80526 Fort Collins · 4.9 mi80522 Fort Collins · 5 mi80524 Fort Collins · 6.3 mi80525 Fort Collins · 6.4 mi80538 Loveland · 7 mi

About ZIP 80521

ZIP code 80521 is assigned to Fort Collins, Colorado. It lies in Larimer County. Its Census area covers about 14.02 square miles of land. The closest neighboring ZIP is 80523 (Fort Collins), about 2.3 miles away.

Every address in 80521 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