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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/07423

07423

ZIP 07423 is Ho Ho Kus, New Jersey, in Bergen County; Eastern time.

Type
Standard
Time zone
America/New_York
County
Bergen
Population
4,270
Coordinates
40.9995, -74.0966
☼ Live from 07423 — Ho Ho Kus, NJ

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Local time: —

Where 07423 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 07423
  • 🔢 Type 07423 into a pocket calculator and turn it upside down: EZhLO — not quite a word, sorry.
  • ➕ As a number, 7,423 = 13 × 571. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110011111111
  • 🏠 Its numerical neighbours: 07422 (Highland Lakes, NJ, 22 mi away) and 07424 (Little Falls, NJ, 10 mi away).
  • 🔄 Backwards, 07423 becomes 32470, which is not a ZIP code at all.
  • 👥 57 other ZIP codes are made of exactly the same digits (02347, 02743, 03247, 04237, 04732, 07432, …). The farthest-flung twin is 73024 in Corn, OK, 1,392 miles away.
  • 🧭 Farther north than 67% of all ZIP codes, and farther east than 90%.
  • 🎯1,286 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07423 and you would come out at 41.00°S, 105.90°E — 834 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.
  • 📏 At 1.7 square miles of land, 07423 is bigger than 11% of ZIP codes — room for about 1.3 Central Parks.
🌙 The sky over 07423 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population4,270This ZIP4,270
Households1,368This ZIP1,368
Housing units1,500This ZIP1,500
Median age41.4This ZIP41.4New Jersey40.1US 38.9
Median household income$250,000+This ZIP$250,000+New Jersey$103,556US $80,734
Median home value$1,092,500This ZIP$1,092,500New Jersey$454,400US $332,700
Median gross rent$2,857This ZIP$2,857New Jersey$1,720US $1,413
Bachelor's degree or higher82.6%This ZIP82.6%
Mean commute33.8 minThis ZIP33.8 min
Population density2,455.4 / sq miThis ZIP2,455.4 / sq mi

Business and tax activity

Business establishments149This ZIP149
Employees965This ZIP965
Annual payroll$63,713,000This ZIP$63,713,000
Tax returns filed2,000This ZIP2,000
Total adjusted gross income$751,783,000This ZIP$751,783,000

Land area

Land area1.74 sq miThis ZIP1.74 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 07423

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

ZIP codes near 07423

ZIPCityDistance
07450 Ridgewood, NJ 1.5 mi
07451 Ridgewood, NJ 1.7 mi
07463 Waldwick, NJ 1.8 mi
07676 Township Of Washington, NJ 1.8 mi
07432 Midland Park, NJ 2.3 mi
07677 Woodcliff Lake, NJ 2.6 mi
07642 Hillsdale, NJ 2.7 mi
07401 Allendale, NJ 3.0 mi
07452 Glen Rock, NJ 3.1 mi
07458 Saddle River, NJ 3.3 mi

Find every ZIP code within 10 miles of 07423 →

Questions about this ZIP code

Where is ZIP code 07423?

07423 is in Ho Ho Kus, New Jersey, in Bergen County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.9995, -74.0966.

What county is 07423 in?

07423 lies in Bergen County.

What time zone is 07423 in?

07423 uses America/New_York.

How many people live in 07423?

About 4,270 people live in ZIP code 07423, in 1,368 households, at 2,455.4 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 07423?

$250,000+ a year, against $103,556 across New Jersey.

What ZIP codes are near 07423?

The closest are 07450 (1.5 mi), 07451 (1.7 mi), 07463 (1.8 mi), 07676 (1.8 mi) and 07432 (2.3 mi).

Is 07423 a PO Box ZIP code?

07423 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “07423 ZIP Code — Ho Ho Kus, New Jersey (Bergen County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07423

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