| City: | Hamilton, Ohio |
| County: | Butler County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:50:39 PM |
| Population: | No Population Data |
| Area Codes: | 283 / 513 |
| Classification: | PO Box |
| Coordinates: | 39.3996, -84.5615 |
| Quick Link: |
ZIP code 45012 serves a concentrated commercial area in Hamilton, Ohio. This isn't a residential neighborhood. It's classified as a PO Box ZIP, but the delivery pattern tells a different story: 113 business delivery points operate alongside 94 PO Boxes.
Mail delivery centers on a single location: Court Street. All 67 street delivery records for this ZIP go to Court St addresses with UNIT designators, indicating a multi-unit commercial or office building. This single-building pattern is unusual for a PO Box classified ZIP and suggests this may be a Large Volume Receiver facility that was assigned its own ZIP code.
Hamilton operates multiple ZIP codes for different service areas. ZIP 45012 exists as a point location within the larger 45011 ZIP code territory. With zero residential population and no geographic area of its own, this ZIP functions as an administrative designation for a specific facility or building complex rather than a traditional community post office.
Addresses in this ZIP use the format:
[Business Name]
[Number] Court St Unit [#]
Hamilton, OH 45012Or for PO Boxes:
PO Box [Number]
Hamilton, OH 45012All delivery concentrates on Court Street with UNIT designators, indicating a single multi-unit facility.
ZIP Code 45012 supports both business and residential activity. According to the Business Census (2024), there are 6 business establishments, employing about 18 people with an annual payroll of $618,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 3,337Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 6Source: CBP |
| 1st Quarter Payroll: | $138,000Source: CBP |
| Annual Payroll: | $618,000Source: CBP |
| # of Employees: | 18Source: CBP |
ZIP Code 45012 is located in Butler County, Ohio, within the Cincinnati, OH-KY-IN Metropolitan Statistical Area (CBSA 17140) and Ohio's 8th Congressional District. This Metro area has a population of 2,130,151 people, about 0.00% of whom live in ZIP Code 45012. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Cincinnati, OH-KY-INSource: Census |
| CBSA Number: | 17140Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 2,130,151Source: Census |
| MSA: | Cincinnati-Hamilton, OH-KY-IN CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 08Source: USPS |
| Congressional Land Area: | 2450.49 sq miSource: Census |
| PMSA: | Hamilton-Middletown, OH PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3933012Source: Census |
| Place Name: | Hamilton city; OhioSource: Census |
We could not locate which school district 45012 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.