ZIP code 63640 is in Farmington (62% of residents), Park Hills (1.6%) and Leadington (1.0%), in St. Francois County (94%) and Ste. Genevieve County (5.5%), Missouri. 35% of its residents live outside city limits. It is in Missouri's 8th congressional district. Its state senate district is State Senate District 3; its state house districts are State House District 116 (81%), State House District 117 (13%) and State House District 145 (5.5%).
Officials serving now (members of Congress until January 3, 2027). Sources: State legislators: Open States (public domain); Members of Congress: the @unitedstates project, congress-legislators (CC0).
14 voting precincts overlap ZIP 63640.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 63640 here is the Census Bureau's ZIP Code Tabulation Area, which approximates the USPS ZIP Code;
PO-box-only ZIPs have none. Districts are the maps in force for the November 3, 2026 election.