Below is a list of Gilcrest CO zip codes. For your research we have also included Gilcrest Area Code, Time Zone, UTC and the local Weld County FIPS Code. Each Gilcrest Colorado zip code has a center Longitude / Latitude point (the Gilcrest center is -104.7799987793 / 40.280601501465). For your convenience we have also indicated if that zip code in Gilcrest observes Daylight Savings time.