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ZIP Code 59866 – Saint Regis, MT

Saint Regis, Montana · Mineral County · Mountain time

ZIP code59866
CitySaint Regis
StateMontana
CountyMineral CountySanders County
Area code406
Population1,161
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area222.41 sq mi
Center (lat, long)47.3429, -115.1204

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Nearby ZIP codes

59842 Haugan · 14.9 mi59830 De Borgia · 17 mi59856 Paradise · 18.1 mi59872 Superior · 19.2 mi59859 Plains · 19.5 mi59867 Saltese · 20.9 mi59873 Thompson Falls · 23.2 mi83802 Avery · 23.7 mi

About ZIP 59866

ZIP code 59866 is assigned to Saint Regis, Montana. It crosses 2 counties; most of its land is in Mineral County. Its Census area covers about 222.41 square miles of land. The closest neighboring ZIP is 59842 (Haugan), about 14.9 miles away.

Every address in 59866 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