| City: | Cincinnati, Ohio |
| Names to Avoid: | Internal Revenue Service |
| County: | Hamilton County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:52:37 PM |
| Population: | No Population Data |
| Area Codes: | 283 / 513 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 39.1616, -84.4569 |
| Quick Link: |
The Internal Revenue Service operates under dedicated ZIP code 45298 in Hamilton County, Ohio. The IRS is the federal agency responsible for collecting taxes and administering the Internal Revenue Code, processing hundreds of millions of tax returns annually. For decades, Cincinnati served as one of the IRS's major processing centers, though the Cincinnati Tax Processing Center (physically located in Covington, Kentucky) closed by the end of 2019.
Located in Cincinnati's Central Business District on 4th Street, this unique postal designation has been in service for over two decades. A single delivery code routes mail to the Internal Revenue Service facility. While bulk tax return processing shifted to Kansas City and Ogden after the Cincinnati center closure, specialized IRS correspondence and certain tax-exempt entity matters continue using Cincinnati addresses. Cincinnati serves as the valid mailing city for this designation.
Buildings registered in the USPS ZIP+4 database with designated codes for direct mail delivery.
ZIP Code 45298 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 45298 is located in Hamilton County, Ohio, within the Cincinnati, OH-KY-IN Metropolitan Statistical Area (CBSA 17140) and Ohio's 1st Congressional District. This Metro area has a population of 2,130,151 people, about 0.00% of whom live in ZIP Code 45298. 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: | 01Source: USPS |
| Congressional Land Area: | 686.96 sq miSource: Census |
| PMSA: | Cincinnati, OH-KY-IN PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3915000Source: Census |
| Place Name: | Cincinnati city; OhioSource: Census |
We could not locate which school district 45298 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.