What to know about ZIP 63433
ZIP code 63433 covers Ashburn, MO in Pike County.
It sits in telephone area code 573; U.S. House district MO-6; the ST. LOUIS media market.
Ashburn town, MO
ZIP Code 63433 — Ashburn town, MO Demographics & Data
Source: U.S. Census Bureau ACS 2019–2023 5-Year Estimates. Page data updated 2026-08-02.
Low Snow Area
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At a glance
Overview of ZIP Code 63433
Climate risk and migration signals
FEMA’s National Risk Index rates natural-hazard risk for Ashburn town, MO as Very Low (composite score 40.3), which is near the middle of the national distribution. The strongest component scores on US5 are flood (45.1) and wildfire (42.0). 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 Ashburn town, MO show little to no average snow and around 38.5 inches of annual precipitation.
Nearby (from this ZIP)
Airport UIN (28.6 miles (46.1 km)) · Hannibal-LaGrange University (19.5 miles (31.4 km)) · New Philadelphia National Historic Site (14.6 miles (23.5 km)) · VA: Quincy National Cemetery (30.2 miles (48.6 km))
Full lists and map pins are in the Infrastructure section below.