ZIP code 59405 is in Great Falls (78% of residents) and Malmstrom AFB (12%), in Cascade County (100%) and Chouteau County (<0.1%), Montana. 9.3% of its residents live outside city limits. It is in Montana's 2nd congressional district. Its state senate districts are State Senate District 12 (36%), State Senate District 11 (32%), State Senate District 10 (25%), State Senate District 13 (6.6%) and State Senate District 39 (0.2%); its state house districts are State House District 23 (32%), State House District 22 (32%), State House District 19 (15%), State House District 20 (10%), State House District 26 (5.8%), State House District 24 (3.0%), State House District 25 (0.8%) and State House District 78 (0.2%).
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).
16 voting precincts overlap ZIP 59405.
Map them, with each precinct's share of the ZIP's residents.
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ZIP 59405 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.