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ZIP Code 59275 – Westby, MT

Westby, Montana · Sheridan County · Mountain time

ZIP code59275
CityWestby
StateMontana
CountySheridan CountyDivide County
Area code406
Population436
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area376.35 sq mi
Center (lat, long)48.8774, -104.1564

Map

Nearby ZIP codes

59211 Antelope · 15.1 mi59256 Raymond · 18.1 mi58844 Fortuna · 18.5 mi58845 Grenora · 19.6 mi59219 Dagmar · 21.1 mi59254 Plentywood · 23.6 mi58856 Zahl · 27.4 mi58833 Ambrose · 28.9 mi

About ZIP 59275

ZIP code 59275 is assigned to Westby, Montana. It crosses 2 counties; most of its land is in Sheridan County. Its Census area covers about 376.35 square miles of land. The closest neighboring ZIP is 59211 (Antelope), about 15.1 miles away.

Every address in 59275 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