Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

ZIP stands for Zone Improvement Plan. The codes went live on July 1, 1963.The lowest ZIP code is 00501 — the IRS in Holtsville, New York.The highest ZIP code is 99950, in Ketchikan, Alaska.Type 07734 into a calculator and turn it upside down: hELLO. It is Keansburg, New Jersey.12345 belongs to one company: General Electric in Schenectady, New York.The first digit is a region: 0 is New England and New Jersey, 9 is the West Coast, Alaska and Hawaii.Mr. ZIP, the cartoon mailman, was the mascot that sold the idea to America.ZIP+4 arrived in 1983 and can narrow a ZIP down to one side of one block.A ZIP code is a mail route, not a place: plenty of them cross county and even state lines.Play ZIP Hunt: guess the secret ZIP code of the day in six tries.
zipcodes.pro — CITY/NJ/CALIFON

Califon ZIP code, New Jersey

The ZIP code for Califon, NJ is 07830, and its area code is 908.

USPS city name
1 ZIP code
Population
930
Area code
908

Califon in numbers

About 930 people live in Califon, in 395 households. The median household income is $128,194 a year, 24% above the New Jersey median of $103,556 (US: $80,734). The median owner-occupied home is valued at $431,600 (5% below the New Jersey median), and median gross rent is $1,781 a month. The median age is 45.9; 57.8% of adults 25 and over hold a bachelor's degree or higher (43.6% across New Jersey); the average commute takes 31 minutes.

Population930Califon930
Households395Califon395
Median age45.9Califon45.9New Jersey40.1US 38.9
Median household income$128,194Califon$128,194New Jersey$103,556US $80,734
Median home value$431,600Califon$431,600New Jersey$454,400US $332,700
Median gross rent$1,781Califon$1,781New Jersey$1,720US $1,413
Bachelor's degree or higher57.8%Califon57.8%New Jersey43.6%US 35.7%
Mean commute31.2 minCalifon31.2 minNew Jersey30.5 minUS 26.4 min
Population density970 / sq miCalifon970 / sq mi

U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates, for the census place Califon borough. Survey estimates carry margins of error, wider for small places. Sources and methods.

ZIP codes addressed as Califon

ZIP codes with the USPS city name Califon
ZIP City Type Population Median income Median home
07830 Califon , NJ Standard 7,379 $180,852 $656,400

Map of Califon ZIP codes

The ZIP codes of Califon, NJ, shaded. Outlines are Census ZIP Code Tabulation Areas (2020), which approximate the mail routes; PO-box and single-address codes have no area and are not drawn. Click any area to open its ZIP code.

Towns near Califon

The nearest larger towns are High Bridge (3,580 people, 4.4 mi), Long Valley (1,720 people, 5.3 mi) and Lebanon (1,675 people, 5.4 mi).

Towns near Califon
TownPopulationDistance
High Bridge 3,580 4.4 mi
Clinton 2,789 7.0 mi
Beattystown 4,917 7.1 mi
White House Station 3,963 7.6 mi
Washington 7,334 8.1 mi
Hackettstown 10,140 9.3 mi
Peapack and Gladstone 2,571 9.6 mi
Flanders 8,809 10.8 mi
Budd Lake 10,650 11.9 mi
The Hills 10,785 12.2 mi
Bernardsville 7,916 12.8 mi
Bridgewater Center 6,505 12.8 mi
Mendham 4,973 12.9 mi
Panther Valley 4,553 13.1 mi

More nearby: every ZIP code in Hunterdon County · New Jersey ZIP codes

Cite this page

zipcodes.pro. “Califon, NJ ZIP codes.” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/city/nj/califon

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