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/07945

07945

ZIP 07945 is Mendham, New Jersey, in Morris County; area codes 973 and 862; Eastern time.

Type
Standard
Time zone
America/New_York
County
Morris
Population
9,690
Coordinates
40.7807, -74.6018
☼ Live from 07945 — Mendham, NJ

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 07945 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 07945
  • 🔢 Type 07945 into a pocket calculator and turn it upside down: ShGLO — not quite a word, sorry.
  • ➕ As a number, 7,945 = 5 × 7 × 227. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111100001001
  • 🏠 Its numerical neighbours: 07940 (Madison, NJ, 10 mi away) and 07946 (Millington, NJ, 9 mi away).
  • 🔄 Backwards, 07945 becomes 54970 — and that is a real ZIP code: Redgranite, WI, 772 miles away.
  • 👥 47 other ZIP codes are made of exactly the same digits (04579, 04957, 04975, 05479, 07495, 09745, …). The farthest-flung twin is 09754 in APO AE, a military post office, 6,604 miles away.
  • 🧭 Farther north than 64% of all ZIP codes, and farther east than 89%.
  • 🎯1,261 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07945 and you would come out at 40.78°S, 105.40°E — 842 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
  • 📏 At 19.5 square miles of land, 07945 is bigger than 37% of ZIP codes — room for about 15 Central Parks.
🌙 The sky over 07945 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population9,690This ZIP9,690
Households3,497This ZIP3,497
Housing units3,709This ZIP3,709
Median age46.3This ZIP46.3New Jersey40.1US 38.9
Median household income$250,000+This ZIP$250,000+New Jersey$103,556US $80,734
Median home value$931,100This ZIP$931,100New Jersey$454,400US $332,700
Median gross rent$3,500+This ZIP$3,500+New Jersey$1,720US $1,413
Bachelor's degree or higher78.7%This ZIP78.7%
Mean commute39.8 minThis ZIP39.8 min
Population density497.4 / sq miThis ZIP497.4 / sq mi

Business and tax activity

Business establishments233This ZIP233
Employees1,296This ZIP1,296
Annual payroll$71,750,000This ZIP$71,750,000
Tax returns filed4,600This ZIP4,600
Total adjusted gross income$1,681,131,000This ZIP$1,681,131,000

Land area

Land area19.48 sq miThis ZIP19.48 sq mi
Water area0.30 sq miThis ZIP0.30 sq mi

Other place names in 07945

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

ZIP codes near 07945

ZIPCityDistance
07926 Brookside, NJ 2.2 mi
07970 Mount Freedom, NJ 2.5 mi
07845 Ironia, NJ 3.2 mi
07924 Bernardsville, NJ 3.8 mi
07930 Chester, NJ 4.3 mi
07869 Randolph, NJ 4.4 mi
07934 Gladstone, NJ 4.9 mi
07960 Morristown, NJ 5.2 mi
07977 Peapack, NJ 5.5 mi
07876 Succasunna, NJ 5.9 mi

Find every ZIP code within 10 miles of 07945 →

Questions about this ZIP code

Where is ZIP code 07945?

07945 is in Mendham, New Jersey, in Morris County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.7807, -74.6018.

What county is 07945 in?

07945 lies in Morris County.

What area code is 07945?

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

What time zone is 07945 in?

07945 uses America/New_York.

How many people live in 07945?

About 9,690 people live in ZIP code 07945, in 3,497 households, at 497.4 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 07945?

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

What ZIP codes are near 07945?

The closest are 07926 (2.2 mi), 07970 (2.5 mi), 07845 (3.2 mi), 07924 (3.8 mi) and 07930 (4.3 mi).

Is 07945 a PO Box ZIP code?

07945 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “07945 ZIP Code — Mendham, New Jersey (Morris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07945

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/07945.json

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