What to know about ZIP 76439
ZIP code 76439 covers Dennis, TX in Parker County.
It sits in telephone area codes 682, 817; U.S. House district TX-25; the DALLAS - FT. WORTH media market.
Dennis CDP, TX
ZIP Code 76439 — Dennis CDP, TX Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Map, Quick Facts & Location
Quick Facts
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At a glance
Overview of ZIP Code 76439
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for Dennis CDP, TX as Relatively Moderate (composite score 81.1), which is elevated versus much of the country. The strongest component scores on US5 are wildfire (96.2) and flood (72.4). 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 Dennis CDP, TX show limited published climate normals on US5.