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 — ZIP/07931

07931

ZIP 07931 is Far Hills, New Jersey, mostly in Somerset County; area code 908; Eastern time.

Type
Standard
Time zone
America/New_York
County
Somerset +1 more
Population
2,985
Coordinates
40.6814, -74.6165
☼ Live from 07931 — Far Hills, NJ

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 07931 is

Approximate ZIP boundary (Census ZCTA 2020). ZIP codes are mail routes, not areas, so the shape shown is the Census tabulation area that approximates it.

★ Weird and wonderful facts about 07931
  • 🔢 Type 07931 into a pocket calculator and turn it upside down: IEGLO — not quite a word, sorry.
  • ➕ As a number, 7,931 = 7 × 11 × 103. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011111011
  • 🏠 Its numerical neighbours: 07930 (Chester, NJ, 8 mi away) and 07932 (Florham Park, NJ, 13 mi away).
  • 🔄 Backwards, 07931 becomes 13970, which is not a ZIP code at all.
  • 👥 59 other ZIP codes are made of exactly the same digits (01379, 01937, 07193, 09137, 09173, 09713, …). The farthest-flung twin is 09173 in APO AE, a military post office, 4,035 miles away.
  • 🧭 Farther north than 63% of all ZIP codes, and farther east than 88%.
  • 🎯1,261 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07931 and you would come out at 40.68°S, 105.38°E — 838 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 15m.
  • 📏 At 22.0 square miles of land, 07931 is bigger than 39% of ZIP codes — room for about 17 Central Parks.
🌙 The sky over 07931 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population2,985This ZIP2,985
Households1,191This ZIP1,191
Housing units1,360This ZIP1,360
Median age47.7This ZIP47.7New Jersey40.1US 38.9
Median household income$201,078This ZIP$201,078New Jersey$103,556US $80,734
Median home value$1,165,700This ZIP$1,165,700New Jersey$454,400US $332,700
Median gross rent$3,500+This ZIP$3,500+New Jersey$1,720US $1,413
Bachelor's degree or higher69.7%This ZIP69.7%
Mean commute36.8 minThis ZIP36.8 min
Population density136.0 / sq miThis ZIP136.0 / sq mi

Business and tax activity

Business establishments95This ZIP95
Employees668This ZIP668
Annual payroll$46,235,000This ZIP$46,235,000
Tax returns filed1,660This ZIP1,660
Total adjusted gross income$1,261,785,000This ZIP$1,261,785,000

Land area

Land area21.95 sq miThis ZIP21.95 sq mi
Water area0.13 sq miThis ZIP0.13 sq mi

Counties 07931 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Somerset County 75.0%
Morris County 25.0%

Other place names in 07931

Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.

ZIP codes near 07931

ZIPCityDistance
07938 Liberty Corner, NJ 2.4 mi
07977 Peapack, NJ 2.8 mi
07978 Pluckemin, NJ 2.9 mi
07920 Basking Ridge, NJ 3.3 mi
07924 Bernardsville, NJ 3.3 mi
07939 Lyons, NJ 3.5 mi
07921 Bedminster, NJ 3.7 mi
07934 Gladstone, NJ 4.2 mi
07946 Millington, NJ 5.7 mi
07059 Warren, NJ 6.0 mi

Find every ZIP code within 10 miles of 07931 →

Questions about this ZIP code

Where is ZIP code 07931?

07931 is in Far Hills, New Jersey, in Somerset County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.6814, -74.6165.

What county is 07931 in?

07931 spans 2 counties: Somerset County and Morris County. Most of it falls in Somerset County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 07931?

Far Hills uses area code 908, from NANPA's telephone records.

What time zone is 07931 in?

07931 uses America/New_York.

How many people live in 07931?

About 2,985 people live in ZIP code 07931, in 1,191 households, at 136.0 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What is the median household income in 07931?

$201,078 a year, against $103,556 across New Jersey.

What ZIP codes are near 07931?

The closest are 07938 (2.4 mi), 07977 (2.8 mi), 07978 (2.9 mi), 07920 (3.3 mi) and 07924 (3.3 mi).

Is 07931 a PO Box ZIP code?

07931 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “07931 ZIP Code — Far Hills, New Jersey (Somerset County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07931

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/07931.json

Underlying data is public domain or openly licensed — sources, vintages and licences.