Great Falls, Montana

5 ZIP codes · Mountain time

ZIP codes (largest first)

59405 · 33,35059404 · 28,82259401 · 13,25559403 (PO box)59406 (PO box)
Population60,329
StateMontana
CountyCascade County
Area code406
Time zoneMountain
Land area23.13 sq mi

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Population: U.S. Census Bureau, ACS 5-year estimates, 2024.