ZIP Code 80544
Niwot, Colorado · Boulder County
No35621
Zip80544
TypePO BOX
Decommissioned0
Primary CityNiwot
Acceptable Cities—
Unacceptable Cities—
StateCO
LstateColorado
CountyBoulder County
TimezoneAmerica/Denver
Area Codes303, 720, 983
World RegionNA
CountryUS
Latitude40,1
Longitude-105,17