| City: | Frankfort, Kentucky |
| County: | Franklin County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 7:39:09 AM |
| Population: | No Population Data |
| Area Code: | 502 |
| Classification: | PO Box |
| Coordinates: | 38.2009, -84.8734 |
| Quick Link: |
Residents and businesses in the Frankfort area receive street delivery through the neighboring ZIP code 40601, which provides carrier route service throughout the city. The existence of both a PO Box ZIP and a street delivery ZIP reflects Frankfort's role as a government center with substantial mail volume requiring this dual infrastructure.
This ZIP code contains no street delivery addresses, only PO Boxes at the Frankfort post office facility.
ZIP Code 40603 is designated for PO Box delivery only; business establishment and employment data are not available.
| # 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 40603 is located in Franklin County, Kentucky, within the Frankfort, KY Metropolitan Statistical Area (CBSA 23180). This Micro area has a population of 75,661 people, about 0.00% of whom live in ZIP Code 40603. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Frankfort, KYSource: Census |
| CBSA Number: | 23180Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 75,661Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2128900Source: Census |
| Place Name: | Frankfort city; KentuckySource: Census |
We could not locate which school district 40603 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.