| City: | Sergeantsville, New Jersey |
| City Alias: | Sergeantsvlle |
| County: | Hunterdon County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 10:48:19 PM |
| Population: | No Population Data |
| Area Code: | 908 |
| Classification: | PO Box |
| Coordinates: | 40.4458, -74.9437 |
| Quick Link: |
ZIP Code 08557 supports both business and residential activity. According to the Business Census (2024), there are 14 business establishments, employing about 121 people with an annual payroll of $7,513,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 119Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 14Source: CBP |
| 1st Quarter Payroll: | $1,792,000Source: CBP |
| Annual Payroll: | $7,513,000Source: CBP |
| # of Employees: | 121Source: CBP |
ZIP Code 08557 is located in Hunterdon County, New Jersey, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New Jersey's 7th Congressional District. This Metro area has a population of 19,756,722 people, about 0.00% of whom live in ZIP Code 08557, and is subdivided into the Newark, NJ division. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | New York-Newark-Jersey City, NY-NJSource: Census |
| CBSA Number: | 35620Source: Census |
| CBSA Type: | MetroSource: Census |
| CBSA Division: | Newark, NJ (CBSA Div 35084)Source: Census |
| CBSA Population: | 19,756,722Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 07Source: USPS |
| Congressional Land Area: | 970.19 sq miSource: Census |
| PMSA: | Middlesex-Somerset-Hunterdon, NJ PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | --Source: Census |
| Place Name: | --Source: Census |
ZIP Code 08557 is in the Delaware Township School District, which serves grades Kindergarten thru 8th. There are 1 public school(s) in this ZIP Code, and we have located 3 private school(s). 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.