| City: | Butte, Montana |
| Names to Avoid: | Northwestern Energy |
| County: | Silver Bow County |
| Timezone: | Mountain (GMT -07:00) |
| Local Time: | 7:00:18 AM |
| Population: | No Population Data |
| Area Code: | 406 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 46.0038, -112.5337 |
| Quick Link: |
NorthWestern Energy, a regional utility serving Montana, South Dakota, and Nebraska, maintains its Montana operational headquarters in Butte under ZIP code 59707. The company's roots trace to 1912 when The Montana Power Company formed through a merger of regional utilities that had acquired nearly 50 smaller companies statewide. Montana Power's original power sources included ten hydroelectric generating stations dating to 1890. The USPS assigned this dedicated postal designation in October 2008.
NorthWestern Energy took its current form in 2002 when it acquired Montana Power's electric and natural gas transmission and distribution system. In 2016, the company moved its Montana General Office to 11 East Park Street in Butte, a significant investment in the Uptown district after more than a century at 40 East Broadway. The company has provided electricity and natural gas to Montana customers for over 100 years. Census data is not available for this commercial-only ZIP code. Butte is the valid mailing city for correspondence to the Montana headquarters.
ZIP Code 59707 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 0Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 59707 is located in Silver Bow County, Montana, within the Butte-Silver Bow, MT Metropolitan Statistical Area (CBSA 15580). This Micro area has a population of 34,200 people, about 0.00% of whom live in ZIP Code 59707. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Butte-Silver Bow, MTSource: Census |
| CBSA Number: | 15580Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 34,200Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | --Source: Census |
| Place Name: | --Source: Census |
We could not locate which school district 59707 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.