| City: | Peoria, Illinois |
| Names to Avoid: | Komatsu Dresser, Westinghouse Air Brake |
| County: | Peoria County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 8:13:26 AM |
| Population: | No Population Data |
| Area Codes: | 309 / 861 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 40.6937, -89.5887 |
| Quick Link: |
Komatsu America Corporation's mining truck manufacturing facility operates under dedicated ZIP code 61639 in Peoria County, Illinois. This site traces its origins to 1953 when the LeTourneau-Westinghouse Company established operations here. The first Haulpak off-highway truck left this Peoria plant in 1957, leading the Thanksgiving Day Parade on its way to the Midland Mine. The facility passed through WABCO ownership before becoming Komatsu Dresser in 1988, when Japanese manufacturer Komatsu and Dresser Industries formed a joint venture. Komatsu acquired full ownership in 1994.
Today Komatsu's Peoria operations manufacture massive electric-drive dump trucks ranging from 200 to 400-ton haul capacities for large-scale mining applications worldwide. The facility employs approximately 800 workers and is designated as one of Komatsu's global Mother Plants for its development capabilities. In 2024, the Komatsu mining truck earned the title of The Coolest Thing Made in Illinois. Postal records show delivery points for both Komatsu Dresser and Komatsu Mining Systems on Adams Street. This dedicated postal designation has served the manufacturer for over two decades. Peoria is the valid mailing city for this commercial ZIP code.
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 61639 is assigned to a single organization or institution. Detailed business demographics are not published for unique ZIP Codes. USPS data shows 0 residential mailboxes and 1 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 1Source: USPS |
| Total Delivery Receptacles: | 1Source: 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 61639 is located in Peoria County, Illinois, within the Peoria, IL Metropolitan Statistical Area (CBSA 37900) and Illinois's 17th Congressional District. This Metro area has a population of 379,186 people, about 0.00% of whom live in ZIP Code 61639. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Peoria, ILSource: Census |
| CBSA Number: | 37900Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 379,186Source: Census |
| MSA: | Peoria-Pekin, IL MSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 17Source: USPS |
| Congressional Land Area: | 6933.08 sq miSource: Census |
| PMSA: | --Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1759000Source: Census |
| Place Name: | Peoria city; IllinoisSource: Census |
We could not locate which school district 61639 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 March 1, 2026.