ZIP code 07830
Where is ZIP code 07830?
Califon, New Jersey
Hunterdon County · Standard ZIP code
ZIP code 07830 belongs to Califon, New Jersey in Hunterdon County. 07830 is a standard ZIP code, so it covers street addresses as well as PO Boxes. It is in the Eastern Time zone and uses area code 908. About 7,379 people live in the 07830 area, where the median household income is $180,852. The closest ZIP codes are 08858 (Oldwick, 4.7 mi southeast), 07979 (Pottersville, 4.7 mi east) and 08833 (Lebanon, 4.9 mi south).
| ZIP code | 07830 |
|---|---|
| Type | Standard ZIP code for street addresses and PO Boxes |
| Status | Active |
| City | Califon |
| Also accepted | Tewksbury Township, Tewksbury Twp |
| State | New Jersey (NJ) |
| County | Hunterdon County |
| Time zone | Eastern Time · now |
| Area code | 908 |
| Coordinates | 40.7162, -74.8152 map |
| 3-digit prefix | 078 |
Population and income in 07830
| Population | 7,379 · lower than 62% of New Jersey ZIP codes |
|---|---|
| People per square mile | 284 · lower than 84% of New Jersey ZIP codes |
| Median age | 50.5 years · higher than 88% of New Jersey ZIP codes |
| Men / women | 46% / 54% |
| Median household income | $180,852 · higher than 89% of New Jersey ZIP codes |
| Income per person | $79,062 |
| Below the poverty line | 3.1% |
| Bachelor’s degree or higher | 66% of adults 25+ |
| Median home value | $656,400 · higher than 78% of New Jersey ZIP codes |
| Median rent | $1,979 a month |
| Housing units | 2,809 |
| Households | 2,777 (2.66 people on average) |
| Owners / renters | 91% / 8.7% |
| Land area | 26.02 sq mi (plus 0.18 sq mi of water) |
Source: U.S. Census Bureau, American Community Survey 5-year estimates (2020–2024) for ZIP Code Tabulation Area 07830. Census ZIP areas are close to, but not exactly the same as, USPS delivery areas.
ZIP codes near 07830
| ZIP code | City | Distance | Type |
|---|---|---|---|
| 08858 | Oldwick, NJ | 4.7 mi SE | PO Box only |
| 07979 | Pottersville, NJ | 4.7 mi E | PO Box only |
| 08833 | Lebanon, NJ | 4.9 mi S | Standard |
| 07853 | Long Valley, NJ | 5.2 mi N | Standard |
| 08829 | High Bridge, NJ | 5.3 mi SW | Standard |
| 08826 | Glen Gardner, NJ | 5.3 mi W | Standard |
| 07870 | Schooleys Mountain, NJ | 5.7 mi N | PO Box only |
| 07831 | Changewater, NJ | 7 mi W | Standard |
| 08801 | Annandale, NJ | 7.1 mi SW | Standard |
| 08809 | Clinton, NJ | 7.1 mi SW | Standard |
| 08889 | Whitehouse Station, NJ | 7.3 mi S | Standard |
| 07865 | Port Murray, NJ | 7.4 mi NW | Standard |
Straight-line distance between ZIP code center points. Find every ZIP code within 10 miles of 07830 or measure the distance to another ZIP code.
How to address mail to 07830
123 MAIN ST
CALIFON NJ 07830
Put the city, the two-letter state code and the ZIP code on the last line. USPS also accepts TEWKSBURY TOWNSHIP and TEWKSBURY TWP as the city name for 07830. Adding the 4-digit ZIP+4 code (07830-XXXX) helps mail sort faster but isn’t required.
Questions
- What city is ZIP code 07830?
- 07830 is a Califon, New Jersey ZIP code. Tewksbury Township and Tewksbury Twp are also accepted as the city name.
- What county is 07830 in?
- ZIP code 07830 is in Hunterdon County, New Jersey.
- What time zone is ZIP code 07830 in?
- 07830 is in the Eastern Time zone (America/New_York).
- What area code is 07830?
- Phone numbers in ZIP code 07830 use area code 908.
- What is the population of ZIP code 07830?
- About 7,379 people live in ZIP code 07830, according to the Census Bureau’s American Community Survey (2020–2024).
- What is the median income in 07830?
- The median household income in 07830 is $180,852 a year, higher than 89% of New Jersey ZIP codes.
- What ZIP codes are near 07830?
- The nearest ZIP codes to 07830 are 08858 (Oldwick, 4.7 miles), 07979 (Pottersville, 4.7 miles), 08833 (Lebanon, 4.9 miles) and 07853 (Long Valley, 5.2 miles).