Find the last 4 digits (ZIP+4) for an address in 80551

ZIP 80551, Windsor, CO is filled in. Just type the street address.

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ZIP Code 80551 – Windsor, CO

Windsor, Colorado · Weld County · Mountain time

ZIP code80551
CityWindsor
StateColorado
CountyWeld County
PopulationNot published (no Census ZIP area)
Time zoneMountain · local time
ZIP typePO box or unique ZIP (no Census area)
Center (lat, long)40.4775, -104.9014

Area codes in this area

970

These are the area codes that most often serve ZIP 80551 (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

80550 Windsor · 0.8 mi80546 Severance · 4.4 mi80547 Timnath · 4.8 mi80528 Fort Collins · 5.6 mi80634 Greeley · 7.8 mi80525 Fort Collins · 8.1 mi80543 Milliken · 9.1 mi80632 Greeley · 10.1 mi

About ZIP 80551

ZIP code 80551 is assigned to Windsor, Colorado. It lies in Weld County. It is a PO-box-only or single-address ZIP, so the Census Bureau does not publish an area for it; the location shown is approximate. The closest neighboring ZIP is 80550 (Windsor), about 0.8 miles away.

Every address in 80551 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