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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/07940

07940

ZIP 07940 is Madison, New Jersey, in Morris County; area codes 973 and 862; Eastern time.

Type
Standard
Time zone
America/New_York
County
Morris
Population
17,610
Coordinates
40.7605, -74.4195
☼ Live from 07940 — Madison, NJ

Weather right now

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Local time: —

Where 07940 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 07940
  • 🔢 Type 07940 into a pocket calculator and turn it upside down: OhGLO — not quite a word, sorry.
  • ➕ As a number, 7,940 = 2 × 2 × 5 × 397. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111100000100
  • 🏠 Its numerical neighbours: 07939 (Lyons, NJ, 9 mi away) and 07945 (Mendham, NJ, 10 mi away).
  • 🔄 Backwards, 07940 becomes 04970 — and that is a real ZIP code: Rangeley, ME, 351 miles away.
  • 👥 23 other ZIP codes are made of exactly the same digits (00794, 04079, 04097, 04970, 07094, 09047, …). The farthest-flung twin is 09740 in APO AE, a military post office, 6,598 miles away.
  • 🧭 Farther north than 64% of all ZIP codes, and farther east than 89%.
  • 🎯1,271 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07940 and you would come out at 40.76°S, 105.58°E — 834 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
  • 📏 At 4.9 square miles of land, 07940 is bigger than 19% of ZIP codes — room for about 3.7 Central Parks.
🌙 The sky over 07940 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population17,610This ZIP17,610
Households5,653This ZIP5,653
Housing units5,820This ZIP5,820
Median age35.3This ZIP35.3New Jersey40.1US 38.9
Median household income$172,708This ZIP$172,708New Jersey$103,556US $80,734
Median home value$940,900This ZIP$940,900New Jersey$454,400US $332,700
Median gross rent$2,251This ZIP$2,251New Jersey$1,720US $1,413
Bachelor's degree or higher74.2%This ZIP74.2%
Mean commute27.0 minThis ZIP27.0 min
Population density3,584.4 / sq miThis ZIP3,584.4 / sq mi

Business and tax activity

Business establishments527This ZIP527
Employees13,267This ZIP13,267
Annual payroll$1,379,152,000This ZIP$1,379,152,000
Tax returns filed7,540This ZIP7,540
Total adjusted gross income$1,983,209,000This ZIP$1,983,209,000

Land area

Land area4.91 sq miThis ZIP4.91 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 07940

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

ZIP codes near 07940

ZIPCityDistance
07961 Convent Station, NJ 1.6 mi
07932 Florham Park, NJ 1.8 mi
07935 Green Village, NJ 2.4 mi
07928 Chatham, NJ 2.5 mi
07976 New Vernon, NJ 3.9 mi
07963 Morristown, NJ 4.1 mi
07901 Summit, NJ 4.2 mi
07902 Summit, NJ 4.2 mi
07981 Whippany, NJ 4.4 mi
07974 New Providence, NJ 4.5 mi

Find every ZIP code within 10 miles of 07940 →

Questions about this ZIP code

Where is ZIP code 07940?

07940 is in Madison, New Jersey, in Morris County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.7605, -74.4195.

What county is 07940 in?

07940 lies in Morris County.

What area code is 07940?

Madison uses area codes 973 and 862, from NANPA's telephone records.

What time zone is 07940 in?

07940 uses America/New_York.

How many people live in 07940?

About 17,610 people live in ZIP code 07940, in 5,653 households, at 3,584.4 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 07940?

$172,708 a year, against $103,556 across New Jersey.

What ZIP codes are near 07940?

The closest are 07961 (1.6 mi), 07932 (1.8 mi), 07935 (2.4 mi), 07928 (2.5 mi) and 07976 (3.9 mi).

Is 07940 a PO Box ZIP code?

07940 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “07940 ZIP Code — Madison, New Jersey (Morris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07940

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