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ZIP Code 59601 – Helena, MT

Helena, Montana · Lewis and Clark County · Mountain time

ZIP code59601
CityHelena
StateMontana
CountyLewis and Clark County
Area code406
Population31,728
Time zoneMountain · local time
ZIP typeStandard (has a Census ZCTA area)
Land area130.18 sq mi
Center (lat, long)46.5307, -112.1994

Map

Nearby ZIP codes

59636 Fort Harrison · 7.2 mi59623 Helena · 8.6 mi59620 Helena · 8.9 mi59624 Helena · 8.9 mi59626 Helena · 8.9 mi59625 Helena · 9.1 mi59634 Clancy · 9.9 mi59728 Elliston · 11.3 mi

About ZIP 59601

ZIP code 59601 is assigned to Helena, Montana. It lies in Lewis and Clark County. Its Census area covers about 130.18 square miles of land. The closest neighboring ZIP is 59636 (Fort Harrison), about 7.2 miles away.

Every address in 59601 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