Below is a list of Niwot CO zip codes. For your research we have also included Niwot Area Code, Time Zone, UTC and the local Boulder County FIPS Code. Each Niwot Colorado zip code has a center Longitude / Latitude point (the Niwot center is -105.16899871826 / 40.101600646973). For your convenience we have also indicated if that zip code in Niwot observes Daylight Savings time.