| City: | Helena, Montana |
| County: | Lewis And Clark County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 7:00:02 AM |
| Population: | No Population Data |
| Area Code: | 406 |
| Classification: | PO Box |
| Coordinates: | 46.5925, -112.0355 |
| Quick Link: |
ZIP code 59624 serves downtown Helena, Montana's state capital, as a dedicated PO Box facility. The post office maintains 541 PO Boxes along North Last Chance Gulch, the city's historic main street that now functions as a pedestrian mall. This isn't a residential ZIP code. It's a business mail hub.
The 459 businesses using these boxes operate in Helena's commercial core, where street delivery comes through the neighboring ZIP code 59601. That mix is typical for downtowns where PO Boxes offer consistent addresses while physical delivery happens through standard carrier routes. The single street designation with 93 unit records reflects the concentrated nature of this facility, where multiple businesses share a single address through PO Box numbers.
The single street name reveals Helena's gold rush origins. Last Chance Gulch was named by prospectors in 1864 who found gold on their 'last chance' before giving up. Today it's the city's pedestrian mall and commercial heart, housing this PO Box facility.
ZIP Code 59624 supports both business and residential activity. According to the Business Census (2024), there are 30 business establishments, employing about 278 people with an annual payroll of $19,262,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 945Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 30Source: CBP |
| 1st Quarter Payroll: | $3,823,000Source: CBP |
| Annual Payroll: | $19,262,000Source: CBP |
| # of Employees: | 278Source: CBP |
ZIP Code 59624 is located in Lewis And Clark County, Montana, within the Helena, MT Metropolitan Statistical Area (CBSA 25740) and Montana's 2nd Congressional District. This Metro area has a population of 74,801 people, about 0.00% of whom live in ZIP Code 59624. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Helena, MTSource: Census |
| CBSA Number: | 25740Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 74,801Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 02Source: USPS |
| Congressional Land Area: | 0 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3035600Source: Census |
| Place Name: | Helena city; MontanaSource: Census |
We could not locate which school district 59624 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on February 1, 2026.