| City: | Flint, Michigan |
| Names to Avoid: | Gm Truck And Bus |
| County: | Genesee County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:15:51 PM |
| Population: | No Population Data |
| Area Code: | 810 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 42.9834, -83.7188 |
| Quick Link: |
GM Truck and Bus operations on Van Slyke Road in Genesee County, Michigan, operate under dedicated ZIP code 48551. This designation serves the Flint Truck Assembly plant, one of General Motors' longest-operating facilities. The plant opened in 1947 under GM's Fisher Body Division and has been producing vehicles for nearly 80 years, including the first 300 Chevrolet Corvettes hand-built in 1953.
Census County Business Patterns data shows 7 establishments and approximately 6,900 employees at this location. The sprawling 5.2 million square foot facility on 159 acres currently produces Chevrolet Silverado and GMC Sierra heavy-duty pickup trucks. GM has invested over $3 billion in upgrades, including a $600 million paint shop in 2016 and a $900 million body shop. Flint is the valid mailing city for this designation.
| Establishments: | 7 |
| Employment: | 6,887 |
| Residential: | 0 |
| Business: | 1 |
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
Insufficient data for educational attainment. Insufficient data for health insurance coverage. Insufficient data for poverty. Insufficient data for school enrollment.
Explore More:Educational AttainmentHealth InsurancePoverty Over TimeSchool Enrollment
| Less than 9th grade: | 0 | 0% |
| 9th to 12th grade, no diploma: | 0 | 0% |
| High school graduate (includes equivalency): | 0 | 0% |
| Some college, no degree: | 0 | 0% |
| Associate's degree: | 0 | 0% |
| Bachelor's degree: | 0 | 0% |
| Graduate or professional degree: | 0 | 0% |
| Total: | 0 | 100% |
| High school or higher: | 0 | 0% |
| Bachelor's degree or higher: | 0 | 0% |
| Private Insurance: | 0 | 0% |
| Public Insurance: | 0 | 0% |
| No Insurance: | 0 | 0% |
| Total: | 0 | 100% |
| Has Health Insurance: | 0 | 0% |
| Group | 2011 | 2102 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| % of People in Poverty | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | -666,666,666.0% | 0.0% | 0.0% | 0.0% | 0.0% | 0.0% |
Note: Counts of Families & People in poverty are not published at the ZIP Code level due to small sample sizes. Percentages shown are survey estimates from the American Community Survey (ACS). They may differ from official poverty statistics. The U.S. Census Bureau defines poverty status by comparing a family's or individual's total income with federal poverty thresholds that vary by family size and composition.
| Nursery School, Preschool: | 0 | 0% |
| Kindergarten: | 0 | 0% |
| Elementary school (grades 1-8): | 0 | 0% |
| High school (grades 9-12): | 0 | 0% |
| College or graduate school: | 0 | 0% |
| Total: | 0 | 100% |
| Early Childhood: | 0 | 0% |
| K-12 (Primary & Secondary School): | 0 | 0% |
ZIP Code 48551 supports both business and residential activity. According to the Business Census (2024), there are 7 business establishments, employing about 4,924 people with an annual payroll of $418,072,000. 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: | 7Source: CBP |
| 1st Quarter Payroll: | $137,677,000Source: CBP |
| Annual Payroll: | $418,072,000Source: CBP |
| # of Employees: | 4,924Source: CBP |
ZIP Code 48551 is located in Genesee County, Michigan, within the Flint, MI Metropolitan Statistical Area (CBSA 22420) and Michigan's 5th Congressional District. This Metro area has a population of 425,790 people, about 0.00% of whom live in ZIP Code 48551. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Flint, MISource: Census |
| CBSA Number: | 22420Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 425,790Source: Census |
| MSA: | Detroit-Ann Arbor-Flint, MI CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 05Source: USPS |
| Congressional Land Area: | 2348.7 sq miSource: Census |
| PMSA: | Flint, MI PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2629000Source: Census |
| Place Name: | Flint city; MichiganSource: Census |
We could not locate which school district 48551 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.