| City: | Naperville, Illinois |
| County: | Dupage County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 8:06:17 AM |
| Population: | No Population Data |
| Area Codes: | 331 / 630 |
| Classification: | PO Box |
| Coordinates: | 41.7855, -88.1472 |
| Quick Link: |
The post office maintains 107 PO Boxes serving 177 businesses in the downtown corridor. One carrier route handles street delivery along S Washington Street, with 106 delivery points mostly containing individual units. This setup reflects a typical downtown pattern where a historic post office continues operating alongside newer carrier facilities that handle most residential delivery.
The ZIP code focuses on a single downtown street, S Washington Street, which serves as the main postal corridor for this small urban area.
ZIP Code 60566 supports both business and residential activity. According to the Business Census (2024), there are 27 business establishments, employing about 2,305 people with an annual payroll of $314,370,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,890Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 27Source: CBP |
| 1st Quarter Payroll: | $86,301,000Source: CBP |
| Annual Payroll: | $314,370,000Source: CBP |
| # of Employees: | 2,305Source: CBP |
ZIP Code 60566 is located in Dupage County, Illinois, within the Chicago-Naperville-Elgin, IL-IN Metropolitan Statistical Area (CBSA 16980) and Illinois's 11st Congressional District. This Metro area has a population of 9,461,105 people, about 0.00% of whom live in ZIP Code 60566, and is subdivided into the Chicago-Naperville-Schaumburg, IL division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Chicago-Naperville-Elgin, IL-INSource: Census |
| CBSA Number: | 16980Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Chicago-Naperville-Schaumburg, IL (CBSA Div 16984)Source: Census |
| CBSA Population: | 9,461,105Source: Census |
| MSA: | Chicago-Gary-Kenosha, IL-IN-WI CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 11Source: USPS |
| Congressional Land Area: | 280.95 sq miSource: Census |
| PMSA: | Chicago, IL PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1751622Source: Census |
| Place Name: | Naperville city; IllinoisSource: Census |
We could not locate which school district 60566 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.