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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/07801

07801

ZIP 07801 is in Dover, New Jersey, in Morris County; area codes 973 and 862; Eastern time. Dover has 2 ZIP codes; the other is 07802.

Type
Standard
Time zone
America/New_York
County
Morris
Population
27,128
Coordinates
40.9011, -74.5648
☼ Live from 07801 — Dover, NJ

Weather right now

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Local time: —

Where 07801 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 07801
  • 🔢 Type 07801 into a pocket calculator and turn it upside down: IOBLO — not quite a word, sorry.
  • ➕ As a number, 7,801 = 29 × 269. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111001111001
  • 🏠 Its numerical neighbours: 07799 (Eatontown, NJ, 45 mi away) and 07802 (Dover, NJ, 2 mi away).
  • 🔄 Backwards, 07801 becomes 10870, which is not a ZIP code at all.
  • 👥 24 other ZIP codes are made of exactly the same digits (00718, 07018, 07081, 07108, 08071, 08107, …). The farthest-flung twin is 87001 in Algodones, NM, 1,759 miles away.
  • 🧭 Farther north than 66% of all ZIP codes, and farther east than 89%.
  • 🎯1,262 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07801 and you would come out at 40.90°S, 105.44°E — 846 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 14m.
  • 📏 At 13.0 square miles of land, 07801 is bigger than 31% of ZIP codes — room for about 9.8 Central Parks.
🌙 The sky over 07801 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population27,128This ZIP27,128
Households9,407This ZIP9,407
Housing units9,678This ZIP9,678
Median age39.6This ZIP39.6New Jersey40.1US 38.9
Median household income$84,517This ZIP$84,517New Jersey$103,556US $80,734
Median home value$392,400This ZIP$392,400New Jersey$454,400US $332,700
Median gross rent$1,809This ZIP$1,809New Jersey$1,720US $1,413
Bachelor's degree or higher22.4%This ZIP22.4%
Mean commute26.3 minThis ZIP26.3 min
Population density2,094.5 / sq miThis ZIP2,094.5 / sq mi

Business and tax activity

Business establishments606This ZIP606
Employees7,282This ZIP7,282
Annual payroll$377,269,000This ZIP$377,269,000
Tax returns filed13,640This ZIP13,640
Total adjusted gross income$745,241,000This ZIP$745,241,000

Land area

Land area12.95 sq miThis ZIP12.95 sq mi
Water area0.93 sq miThis ZIP0.93 sq mi

Other place names in 07801

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

ZIP codes near 07801

ZIPCityDistance
07885 Wharton, NJ 1.9 mi
07802 Dover, NJ 2.4 mi
07806 Picatinny Arsenal, NJ 2.4 mi
07962 Morristown, NJ 2.4 mi
07999 Whippany, NJ 2.4 mi
07803 Mine Hill, NJ 2.5 mi
07847 Kenvil, NJ 3.0 mi
07856 Mount Arlington, NJ 3.4 mi
07834 Denville, NJ 4.2 mi
07869 Randolph, NJ 4.2 mi

Find every ZIP code within 10 miles of 07801 →

Questions about this ZIP code

Where is ZIP code 07801?

07801 is in Dover, New Jersey, in Morris County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.9011, -74.5648.

What county is 07801 in?

07801 lies in Morris County.

What area code is 07801?

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

What time zone is 07801 in?

07801 uses America/New_York.

How many people live in 07801?

About 27,128 people live in ZIP code 07801, in 9,407 households, at 2,094.5 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 07801?

$84,517 a year, against $103,556 across New Jersey.

What ZIP codes are near 07801?

The closest are 07885 (1.9 mi), 07802 (2.4 mi), 07806 (2.4 mi), 07962 (2.4 mi) and 07999 (2.4 mi).

Is 07801 a PO Box ZIP code?

07801 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “07801 ZIP Code — Dover, New Jersey (Morris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07801

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