What to know about ZIP 80646
ZIP code 80646 covers CO in Weld County.
It sits in telephone area code 970; U.S. House district CO-8; the DENVER media market.
, CO
ZIP Code 80646 — undefined, CO Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Map, Quick Facts & Location
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At a glance
Overview of ZIP Code 80646
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for CO as Relatively Moderate (composite score 89.2), which is elevated versus much of the country. The strongest component scores on US5 are flood (88.5) and wildfire (87.7). These scores are county-linked NRI values published for planning context — all ZIP codes in the same county share the same composite score on US5. Useful when comparing insurance and disaster exposure across areas, not a substitute for a parcel-level flood or fire determination.
Climate normals for CO show limited published climate normals on US5.