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ZIP Code 59521 – Box Elder, MT

Box Elder, Montana · Hill County · Mountain time

ZIP code59521
CityBox Elder
StateMontana
CountyHill CountyChouteau County
Area code406
Population3,529
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area283.63 sq mi
Center (lat, long)48.3050, -109.9513

Map

Nearby ZIP codes

59520 Big Sandy · 18.4 mi59532 Kremlin · 20.8 mi59525 Gildford · 27.2 mi59501 Havre · 27.7 mi59528 Hingham · 30.9 mi59523 Chinook · 37.8 mi59535 Lloyd · 40.7 mi59446 Geraldine · 46.1 mi

About ZIP 59521

ZIP code 59521 is assigned to Box Elder, Montana. It crosses 2 counties; most of its land is in Hill County. Its Census area covers about 283.63 square miles of land. The closest neighboring ZIP is 59520 (Big Sandy), about 18.4 miles away.

Every address in 59521 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