Find the last 4 digits (ZIP+4) for an address in 80544

ZIP 80544, Niwot, CO is filled in. Just type the street address.

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ZIP Code 80544 – Niwot, CO

Niwot, Colorado · Boulder County · Mountain time

ZIP code80544
CityNiwot
StateColorado
CountyBoulder County
Population0
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area0.06 sq mi
Center (lat, long)40.1031, -105.1715

Area codes in this area

303720983

These are the area codes that most often serve ZIP 80544 (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

80301 Boulder · 4.3 mi80503 Longmont · 5 mi80501 Longmont · 5.6 mi80502 Longmont · 5.7 mi80533 Hygiene · 6.3 mi80026 Lafayette · 7.3 mi80304 Boulder · 7.4 mi80309 Boulder · 8 mi

About ZIP 80544

ZIP code 80544 is assigned to Niwot, Colorado. It lies in Boulder County. Its Census area covers about 0.06 square miles of land. The closest neighboring ZIP is 80301 (Boulder), about 4.3 miles away.

Every address in 80544 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