East Helena ZIP Code List — Lewis And Clark County, MT
There is one unique ZIP code in East Helena, Montana and it is 59635. Area code: 406.
1
ZIP codes
79.52
sq mi land
0.12
sq mi water
406
area code
East Helena, MT ZIP code map
About East Helena, MT
East Helena, Montana, is a charming city located in the scenic Lewis and Clark County. With a dedicated community and a rich history, this small city offers a unique blend of small-town charm and easy access to outdoor recreation. Known for its friendly atmosphere, East Helena is a place where residents and visitors alike can enjoy the picturesque beauty of Montana.
Location & geography
Nestled in the beautiful landscape of Montana, East Helena spans a total area of 79.52 square miles, with a small water area of 0.12 square miles. It is conveniently located just a few miles from the state capital, Helena, which lies to the northwest at approximately 10 miles away. The surrounding terrain features rolling hills and valleys, providing stunning views and abundant opportunities for outdoor activities.
Community & economy
The community in East Helena is characterized by its welcoming residents and strong local spirit, making it a great place for families and individuals alike. The economy is primarily driven by local businesses, agriculture, and mining industries, which play a significant role in the area's development. Daily life incorporates a range of community events and recreational opportunities, fostering a close-knit environment that cherishes its rich heritage.
Transportation
East Helena is conveniently accessed via Montana Highway 12, which connects to nearby cities and serves as an important thoroughfare for residents. The nearest major airport is Helena Regional Airport, located about 10 miles to the northwest, providing air travel options for both residents and visitors. Public transportation options in the area are limited, making personal vehicles the preferred method of getting around.
History
East Helena was established in the late 19th century as a mining town, attracting workers and families due to its rich mineral resources. Over the years, the city has transitioned its focus to various industries, including agriculture and service-oriented businesses, shaping its current identity. Notable events in East Helena's history include the growth of its community spirit during local festivals and the city's resilience through economic changes.
Did you know?
One surprising fact about East Helena is that it was originally built as a company town for the nearby smelting industry, which significantly influenced its development. Additionally, East Helena is home to several historical landmarks, including those that celebrate its mining heritage.
Source: U.S. Census Bureau, American Community Survey 2025 estimates.
Frequently asked questions
What is the ZIP code for East Helena, MT?
East Helena, MT has one ZIP code: 59635.
What is the main ZIP code for East Helena, MT?
The primary ZIP code for East Helena, MT is 59635. The city uses area code 406 for phone service.
What county is East Helena, MT in?
East Helena is located in Lewis And Clark County, Montana.
How many ZIP codes are in East Helena, MT?
East Helena, MT has 1 ZIP code.
What ZIP code covers the East Helena downtown business district and residential areas?
East Helena's downtown area and residential neighborhoods are located in ZIP code 59635, which serves the entire city of East Helena in Lewis and Clark County.
If I'm mailing a package to a business in East Helena near the Montana Avenue corridor, what ZIP code should I use?
All businesses and residences along East Helena's main corridors, including the Montana Avenue area, use ZIP code 59635 for mailing purposes.
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