Below is a list of Firestone CO zip codes. For your research we have also included Firestone Area Code, Time Zone, UTC and the local Weld County FIPS Code. Each Firestone Colorado zip code has a center Longitude / Latitude point (the Firestone center is -104.92400360107 / 40.11669921875). For your convenience we have also indicated if that zip code in Firestone observes Daylight Savings time.