| City: | Utica, Michigan |
| City Alias: | Shelby Township, Shelby Twp |
| County: | Macomb County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:14:39 AM |
| Population: | No Population Data |
| Area Code: | 586 |
| Classification: | PO Box |
| Coordinates: | 42.5959, -83.0200 |
| Quick Link: |
ZIP code 48318 in Utica, Michigan, operates as a PO Box facility serving a concentrated area along just two streets. The post office maintains 334 PO Boxes alongside limited street delivery to 22 Mile Road (66 delivery points) and Hall Road (44 delivery points). Both streets serve unit-based addresses, suggesting apartments or condominiums rather than single-family homes.
This isn't a standalone community but rather a specialized postal zone within the larger Shelby Township area. The ZIP shares city delivery with neighboring 48317, which provides the primary street delivery network for the region. The post office serves 451 business addresses despite the small geographic footprint, indicating this location functions as a convenient mail pickup point for local businesses and residents who prefer PO Box service in Macomb County's northern suburbs.
The two streets reflect Macomb County's numbered road grid system, with both serving multi-unit residential addresses rather than single-family homes.
ZIP Code 48318 supports both business and residential activity. According to the Business Census (2024), there are 9 business establishments, employing about 21 people with an annual payroll of $1,051,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 5,392Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 9Source: CBP |
| 1st Quarter Payroll: | $193,000Source: CBP |
| Annual Payroll: | $1,051,000Source: CBP |
| # of Employees: | 21Source: CBP |
ZIP Code 48318 is located in Macomb County, Michigan, within the Detroit-Warren-Dearborn, MI Metropolitan Statistical Area (CBSA 19820) and Michigan's 10th Congressional District. This Metro area has a population of 4,367,620 people, about 0.00% of whom live in ZIP Code 48318, and is subdivided into the Warren-Troy-Farmington Hills, MI division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Detroit-Warren-Dearborn, MISource: Census |
| CBSA Number: | 19820Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Warren-Troy-Farmington Hills, MI (CBSA Div 47664)Source: Census |
| CBSA Population: | 4,367,620Source: Census |
| MSA: | Detroit-Ann Arbor-Flint, MI CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 10Source: USPS |
| Congressional Land Area: | 4140.44 sq miSource: Census |
| PMSA: | Detroit, MI PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2681540Source: Census |
| Place Name: | Utica city; MichiganSource: Census |
We could not locate which school district 48318 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 January 1, 2026.