| City: | Blawenburg, New Jersey |
| County: | Somerset County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 8:26:01 PM |
| Population: | No Population Data |
| Area Code: | 908 |
| Classification: | PO Box |
| Coordinates: | 40.4076, -74.7032 |
| Quick Link: |
The facility handles mail for 28 businesses and serves a minimal residential footprint. With just one street route on record and coverage showing as a multipoint location rather than a defined area, 08504 operates as a convenience service point rather than a full-service postal zone. The post office's classification reflects its role as a PO Box facility embedded within the larger Montgomery/Rocky Hill area, which handles the actual carrier delivery for this community.
With only one street name appearing in postal records, this reflects Blawenburg's role as a PO Box facility rather than a residential delivery zone. Great Road represents the post office's physical location and any businesses receiving mail directly at street addresses.
ZIP Code 08504 supports both business and residential activity. According to the Business Census (2024), there are 5 business establishments, employing about 33 people with an annual payroll of $1,155,000.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 1,248Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 5Source: CBP |
| 1st Quarter Payroll: | $241,000Source: CBP |
| Annual Payroll: | $1,155,000Source: CBP |
| # of Employees: | 33Source: CBP |
ZIP Code 08504 is located in Somerset County, New Jersey, within the New York-Newark-Jersey City, NY-NJ Metropolitan Statistical Area (CBSA 35620) and New Jersey's 12nd Congressional District. This Metro area has a population of 18,897,109 people, about 0.00% of whom live in ZIP Code 08504, and is subdivided into the Lakewood-New Brunswick, 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: | Lakewood-New Brunswick, NJ (CBSA Div 29484)Source: Census |
| CBSA Population: | 18,897,109Source: Census |
| MSA: | New York-Northern New Jersey-Long Island, NY-NJ-CT-PASource: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 12Source: USPS |
| Congressional Land Area: | 412.23 sq miSource: Census |
| PMSA: | Middlesex-Somerset-Hunterdon, NJ PMSASource: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 3406190Source: Census |
| Place Name: | Blawenburg CDP; New JerseySource: Census |
We could not locate which school district 08504 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.