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/07927

07927

ZIP 07927 is Cedar Knolls, New Jersey, in Morris County; area codes 973 and 862; Eastern time.

Type
Standard
Time zone
America/New_York
County
Morris
Population
4,882
Coordinates
40.8237, -74.4564
☼ Live from 07927 — Cedar Knolls, NJ

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 07927 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 07927
  • 🔢 Type 07927 into a pocket calculator and turn it upside down: LZGLO — not quite a word, sorry.
  • ➕ 07927 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111011110111
  • 🏠 Its numerical neighbours: 07926 (Brookside, NJ, 6 mi away) and 07928 (Chatham, NJ, 7 mi away).
  • 🔄 Backwards, 07927 becomes 72970, which is not a ZIP code at all.
  • 👥 27 other ZIP codes are made of exactly the same digits (02779, 09727, 09772, 20779, 20797, 27709, …). The farthest-flung twin is 09772 in APO AE, a military post office, 6,597 miles away.
  • 🧭 Farther north than 65% of all ZIP codes, and farther east than 89%.
  • 🎯1,269 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07927 and you would come out at 40.82°S, 105.54°E — 838 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 14m.
  • 📏 At 2.1 square miles of land, 07927 is bigger than 12% of ZIP codes — room for about 1.6 Central Parks.
🌙 The sky over 07927 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,882This ZIP4,882
Households1,794This ZIP1,794
Housing units1,817This ZIP1,817
Median age42.0This ZIP42.0New Jersey40.1US 38.9
Median household income$170,400This ZIP$170,400New Jersey$103,556US $80,734
Median home value$646,700This ZIP$646,700New Jersey$454,400US $332,700
Median gross rent$2,849This ZIP$2,849New Jersey$1,720US $1,413
Bachelor's degree or higher54.9%This ZIP54.9%
Mean commute20.8 minThis ZIP20.8 min
Population density2,278.1 / sq miThis ZIP2,278.1 / sq mi

Business and tax activity

Business establishments267This ZIP267
Employees5,299This ZIP5,299
Annual payroll$355,008,000This ZIP$355,008,000
Tax returns filed2,210This ZIP2,210
Total adjusted gross income$294,981,000This ZIP$294,981,000

Land area

Land area2.14 sq miThis ZIP2.14 sq mi
Water area0.03 sq miThis ZIP0.03 sq mi

Other place names in 07927

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

ZIP codes near 07927

ZIPCityDistance
07981 Whippany, NJ 1.6 mi
07950 Morris Plains, NJ 2.1 mi
07963 Morristown, NJ 2.3 mi
07961 Convent Station, NJ 3.1 mi
07878 Mount Tabor, NJ 3.5 mi
07054 Parsippany, NJ 3.5 mi
07960 Morristown, NJ 3.9 mi
07932 Florham Park, NJ 4.6 mi
07834 Denville, NJ 4.6 mi
07046 Mountain Lakes, NJ 4.7 mi

Find every ZIP code within 10 miles of 07927 →

Questions about this ZIP code

Where is ZIP code 07927?

07927 is in Cedar Knolls, New Jersey, in Morris County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.8237, -74.4564.

What county is 07927 in?

07927 lies in Morris County.

What area code is 07927?

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

What time zone is 07927 in?

07927 uses America/New_York.

How many people live in 07927?

About 4,882 people live in ZIP code 07927, in 1,794 households, at 2,278.1 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 07927?

$170,400 a year, against $103,556 across New Jersey.

What ZIP codes are near 07927?

The closest are 07981 (1.6 mi), 07950 (2.1 mi), 07963 (2.3 mi), 07961 (3.1 mi) and 07878 (3.5 mi).

Is 07927 a PO Box ZIP code?

07927 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “07927 ZIP Code — Cedar Knolls, New Jersey (Morris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07927

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/07927.json

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