| City: | Quincy, Illinois |
| County: | Adams County |
| Timezone: | Central (GMT -06:00) |
| Local Time: | 11:44:30 PM |
| Population: | No Population Data |
| Area Codes: | 217 / 447 |
| Classification: | PO Box |
| Coordinates: | 39.9359, -91.4098 |
| Quick Link: |
ZIP 62306 serves a specific location within Quincy, Illinois, at N 8th Street. This ZIP is classified as PO Box only, but it isn't a PO Box Only Zone. Street delivery is available through the neighboring ZIP 62301, which covers the broader Quincy area.
The post office maintains 98 PO Boxes and handles delivery to 143 business locations. Postal records show a single street address pattern: 77 delivery points at N 8th Street with unit designators. This suggests a large commercial building or office complex rather than a traditional neighborhood.
With 13 business establishments employing 363 people, this ZIP serves as a business concentration point within Adams County. The facility code indicates a standard post office, and city carrier delivery is available for the N 8th Street address.
Mail can be addressed to either PO Box format or to street addresses at N 8th Street. The preferred city name is Quincy, IL 62306.
Only one street appears in postal records, indicating a concentrated delivery area.
ZIP Code 62306 supports both business and residential activity. According to the Business Census (2024), there are 12 business establishments, employing about 383 people with an annual payroll of $21,225,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 607Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 12Source: CBP |
| 1st Quarter Payroll: | $5,269,000Source: CBP |
| Annual Payroll: | $21,225,000Source: CBP |
| # of Employees: | 383Source: CBP |
ZIP Code 62306 is located in Adams County, Illinois, within the Quincy, IL-MO Metropolitan Statistical Area (CBSA 39500) and Illinois's 15th Congressional District. This Micro area has a population of 75,111 people, about 0.00% of whom live in ZIP Code 62306. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Quincy, IL-MOSource: Census |
| CBSA Number: | 39500Source: Census |
| CBSA Type: | MicroSource: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 75,111Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 15Source: USPS |
| Congressional Land Area: | 14695.67 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1762367Source: Census |
| Place Name: | Quincy city; IllinoisSource: Census |
We could not locate which school district 62306 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.