What to know about ZIP 28509
ZIP code 28509 covers Alliance, NC in Pamlico County.
It sits in telephone area code 252; U.S. House district NC-3; the GREENVILLE - N. BERN - WASHNGTN media market.
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Alliance town, NC
ZIP Code 28509 — Alliance town, NC Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
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At a glance
Overview of ZIP Code 28509
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for Alliance town, NC as Relatively Low (composite score 72.4), which is elevated versus much of the country. The strongest component scores on US5 are hurricane (95.7) and wildfire (78.0). 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 Alliance town, NC show limited published climate normals on US5.