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ZIP Code 59421 – Cascade, MT

Cascade, Montana · Cascade County · Mountain time

ZIP code59421
CityCascade
StateMontana
CountyCascade CountyLewis and Clark County
Area code406
Population2,069
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area746.58 sq mi
Center (lat, long)47.0748, -111.6884

Map

Nearby ZIP codes

59405 Great Falls · 23.5 mi59648 Wolf Creek · 24.2 mi59485 Ulm · 25.3 mi59602 Helena · 26.1 mi59483 Sun River · 27 mi59477 Simms · 28.7 mi59472 Sand Coulee · 29 mi59480 Stockett · 30.4 mi

About ZIP 59421

ZIP code 59421 is assigned to Cascade, Montana. It crosses 2 counties; most of its land is in Cascade County. Its Census area covers about 746.58 square miles of land. The closest neighboring ZIP is 59405 (Great Falls), about 23.5 miles away.

Every address in 59421 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources