| City: | New Castle, Delaware |
| Names to Avoid: | Shared Firm Zip |
| County: | New Castle County |
| Timezone: | Eastern (GMT -05:00)%> |
| Local Time: | 9:48:10 PM |
| Population: | No Population Data |
| Area Code: | 302 |
| Classification: | Unique [Company/Government] |
| Coordinates: | 39.6837, -75.7501 |
| Quick Link: |
The USPS Shared Firm ZIP operates under dedicated ZIP code 19726 in New Castle County, Delaware. A Shared Firm ZIP allows multiple businesses to share a common postal designation for processing business correspondence efficiently. The designation was established in September 2014 and shows significant activity.
Located 1.1 miles from the New Castle Historic District, this handles substantial mail volume. Census County Business Patterns indicates 4 establishments with 21 employees. With 32 ZIP+4 codes and 20 business delivery points, this is an active shared designation. Census demographic data is not available. New Castle is the valid mailing city.
| Establishments: | 4 |
| Employment: | 21 |
| Residential: | 0 |
| Business: | 20 |
ZIP Code 19726 supports both business and residential activity. According to the Business Census (2024), there are 4 business establishments, employing about 15 people with an annual payroll of $504,000. USPS data shows 0 residential mailboxes and 20 business mailboxes, reflecting local delivery coverage.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 20Source: USPS |
| Total Delivery Receptacles: | 20Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 4Source: CBP |
| 1st Quarter Payroll: | $101,000Source: CBP |
| Annual Payroll: | $504,000Source: CBP |
| # of Employees: | 15Source: CBP |
ZIP Code 19726 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 5,965,343 people, about 0.00% of whom live in ZIP Code 19726, 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: | 5,965,343Source: 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: | 1050800Source: Census |
| Place Name: | New Castle city; DelawareSource: Census |
We could not locate which school district 19726 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 March 1, 2026.