| City: | Wilmington, Delaware |
| County: | New Castle County |
| Timezone: | Eastern (GMT -05:00)%> |
| Local Time: | 1:57:27 AM |
| Population: | No Population Data |
| Area Code: | 302 |
| Classification: | PO Box |
| Coordinates: | 39.7579, -75.5474 |
| Quick Link: |
The facility supports 446 business accounts alongside its residential boxes. While employment records show 7,338 jobs associated with addresses using this ZIP, the actual delivery infrastructure consists entirely of the PO Box operation. This arrangement is common in urban areas where a dedicated PO Box ZIP serves customers who prefer box service over street delivery.
This ZIP code contains no street delivery routes. All mail service is provided through PO Boxes at the Wilmington post office facility.
ZIP Code 19850 supports both business and residential activity. According to the Business Census (2024), there are 11 business establishments, employing about 7,338 people with an annual payroll of $1,621,787,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,270Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 11Source: CBP |
| 1st Quarter Payroll: | $720,737,000Source: CBP |
| Annual Payroll: | $1,621,787,000Source: CBP |
| # of Employees: | 7,338Source: CBP |
ZIP Code 19850 is located in New Castle County, Delaware, within the Philadelphia-Camden-Wilmington, PA-NJ-DE-MD Metropolitan Statistical Area (CBSA 37980). This Metro area has a population of 6,241,882 people, about 0.00% of whom live in ZIP Code 19850, and is subdivided into the Wilmington, DE-MD-NJ division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | Philadelphia-Camden-Wilmington, PA-NJ-DE-MDSource: Census |
| CBSA Number: | 37980Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Wilmington, DE-MD-NJ (CBSA Div 48864)Source: Census |
| CBSA Population: | 6,241,882Source: Census |
| MSA: | Philadelphia-Wilmington-Atlantic City, PA-NJ-DE-MD CMSASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | No DistrictsSource: USPS |
| Congressional Land Area: | sq miSource: Census |
| PMSA: | Wilmington-Newark, DE-MD PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 1077580Source: Census |
| Place Name: | Wilmington city; DelawareSource: Census |
We could not locate which school district 19850 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.