Firestone, Colorado

1 ZIP code · Mountain time

ZIP codes (largest first)

80520 · 1,140
Population18,049
StateColorado
CountyWeld County
Time zoneMountain
Land area13.91 sq mi

Area codes in this area

303720983

These are the area codes that most often serve Firestone (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Find the ZIP+4 for an address in Firestone

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.