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ZIP code 59623: Helena, MT

59623 is a ZIP code in Helena, Montana, mainly in Lewis and Clark County, part of the Helena, MT metro area.

Population
0
Median household income
—
Typical home value
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Median rent
—gross, per month
Median age
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Homeowners
—of occupied homes
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Shaded: ZIP code 59623's area. Click anywhere on the map to see which ZIP code it's in.

ZIP codes within 10 milesWithin 25 miles

ZIP code 59623 details

CityHelena
StateMontana
CountyLewis and Clark County
Metro areaHelena, MT
Time zoneMountain Time (UTC−7), observes daylight saving time
TypeStandard (delivery area)
Land area0 sq mi
Center coordinates46.58991, -112.04068

ZIP codes near 59623

ZIP codeCityDistancePopulation
59620Helena, MT0.3 mi—
59624Helena, MT0.3 mi—
59626Helena, MT0.3 mi—
59625Helena, MT0.8 mi663
59636Fort Harrison, MT3.9 mi32
59604Helena, MT6.3 mi—
59601Helena, MT8.6 mi31,728
59634Clancy, MT10.0 mi5,521

Population and median household income: ACS 2020–2024 5-year estimates. Typical home value: Zillow Home Value Index (September 2026) where available, otherwise the ACS median owner-reported value. "PO Box" marks ZIP codes with no delivery area of their own. Methodology

About ZIP code 59623

What city is ZIP code 59623?

ZIP code 59623 is in Helena, MT, in Lewis and Clark County.

What county is ZIP code 59623 in?

59623 is mainly in Lewis and Clark County, Montana.

What time zone is ZIP code 59623 in?

59623 is in Mountain Time (UTC−7). It observes daylight saving time.

What other ZIP codes does Helena have?

Helena, MT also uses 59601, 59602, 59604, 59620, 59624, 59625 and 59626.