| City: | Nason, Illinois |
| County: | Jefferson County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:57:07 PM |
| Population: | No Population Data |
| Area Codes: | 618 / 730 |
| Classification: | PO Box |
| Coordinates: | 38.1484, -89.0133 |
| Quick Link: |
ZIP Code 62866 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 62866 is located in Jefferson County, Illinois, within the Mount Vernon, IL Metropolitan Statistical Area (CBSA 34500). This Micro area has a population of 36,808 people, about 0.00% of whom live in ZIP Code 62866. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Mount Vernon, ILSource: Census |
| CBSA Number: | 34500Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 36,808Source: 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: | 1751726Source: Census |
| Place Name: | Nason city; IllinoisSource: Census |
We could not locate which school district 62866 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.