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ZIP Code 59923 – Libby, MT

Libby, Montana · Lincoln County · Mountain time

ZIP code59923
CityLibby
StateMontana
CountyLincoln County
Area code406
Population10,450
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1,412.52 sq mi
Center (lat, long)48.2706, -115.3132

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Nearby ZIP codes

59853 Noxon · 27 mi59925 Marion · 27 mi59934 Trego · 30.7 mi59927 Olney · 34 mi59844 Heron · 34.3 mi59874 Trout Creek · 34.6 mi59935 Troy · 35.5 mi59920 Kila · 37.3 mi

About ZIP 59923

ZIP code 59923 is assigned to Libby, Montana. It lies in Lincoln County. Its Census area covers about 1,412.52 square miles of land. The closest neighboring ZIP is 59853 (Noxon), about 27 miles away.

Every address in 59923 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