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ZIP Code 59523 – Chinook, MT

Chinook, Montana · Blaine County · Mountain time

ZIP code59523
CityChinook
StateMontana
CountyBlaine CountyHill County
Area code406
Population2,356
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1,534.63 sq mi
Center (lat, long)48.5260, -109.1986

Map

Nearby ZIP codes

59547 Zurich · 15.6 mi59526 Harlem · 23.3 mi59501 Havre · 28.9 mi59529 Hogeland · 30.2 mi59521 Box Elder · 37.6 mi59527 Hays · 38.2 mi59520 Big Sandy · 47.5 mi

About ZIP 59523

ZIP code 59523 is assigned to Chinook, Montana. It crosses 2 counties; most of its land is in Blaine County. Its Census area covers about 1,534.63 square miles of land. The closest neighboring ZIP is 59547 (Zurich), about 15.6 miles away.

Every address in 59523 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