| City: | Danville, Kentucky |
| County: | Boyle County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 9:24:06 PM |
| Population: | No Population Data |
| Area Codes: | 606 / 859 |
| Classification: | PO Box |
| Coordinates: | 37.6427, -84.7718 |
| Quick Link: |
The post office supports 271 businesses through this PO Box ZIP, indicating active commercial use alongside residential mail. Danville itself uses the standard ZIP 40422 for most physical addresses, making 40423 a dedicated facility for those who prefer or require post office box service.
This ZIP contains no street delivery routes. All mail service operates through PO Boxes at the Danville post office, with street addresses in the area served by ZIP 40422.
ZIP Code 40423 supports both business and residential activity. According to the Business Census (2024), there are 17 business establishments, employing about 265 people with an annual payroll of $12,290,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 2,201Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 17Source: CBP |
| 1st Quarter Payroll: | $1,911,000Source: CBP |
| Annual Payroll: | $12,290,000Source: CBP |
| # of Employees: | 265Source: CBP |
ZIP Code 40423 is located in Boyle County, Kentucky, within the Danville, KY Metropolitan Statistical Area (CBSA 19220) and Kentucky's 1st Congressional District. This Micro area has a population of 53,174 people, about 0.00% of whom live in ZIP Code 40423. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Danville, KYSource: Census |
| CBSA Number: | 19220Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 53,174Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 12079.5 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2119882Source: Census |
| Place Name: | Danville city; KentuckySource: Census |
We could not locate which school district 40423 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.