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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/07866

07866

ZIP 07866 is Rockaway, New Jersey, in Morris County; area codes 973 and 862; Eastern time.

Type
Standard
Time zone
America/New_York
County
Morris
Population
22,663
Coordinates
40.9550, -74.4880
☼ Live from 07866 — Rockaway, NJ

Weather right now

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Local time: —

Where 07866 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 07866
  • 🔢 Type 07866 into a pocket calculator and turn it upside down: ggBLO — not quite a word, sorry.
  • ➕ As a number, 7,866 = 2 × 3 × 3 × 19 × 23. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111010111010
  • 🏠 Its numerical neighbours: 07865 (Port Murray, NJ, 24 mi away) and 07869 (Randolph, NJ, 9 mi away).
  • 🔄 Backwards, 07866 becomes 66870 — and that is a real ZIP code: Virgil, KS, 1,162 miles away.
  • 👥 19 other ZIP codes are made of exactly the same digits (06786, 06876, 60678, 60687, 66078, 66087, …). The farthest-flung twin is 78066 in Rio Medina, TX, 1,581 miles away.
  • 🧭 Farther north than 66% of all ZIP codes, and farther east than 89%.
  • 🎯1,266 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07866 and you would come out at 40.95°S, 105.51°E — 846 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 13m.
  • 📏 At 23.0 square miles of land, 07866 is bigger than 40% of ZIP codes — room for about 17 Central Parks.
🌙 The sky over 07866 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population22,663This ZIP22,663
Households8,645This ZIP8,645
Housing units8,825This ZIP8,825
Median age44.3This ZIP44.3New Jersey40.1US 38.9
Median household income$131,403This ZIP$131,403New Jersey$103,556US $80,734
Median home value$457,400This ZIP$457,400New Jersey$454,400US $332,700
Median gross rent$1,695This ZIP$1,695New Jersey$1,720US $1,413
Bachelor's degree or higher48.9%This ZIP48.9%
Mean commute28.1 minThis ZIP28.1 min
Population density985.0 / sq miThis ZIP985.0 / sq mi

Business and tax activity

Business establishments810This ZIP810
Employees11,205This ZIP11,205
Annual payroll$561,654,000This ZIP$561,654,000
Tax returns filed12,270This ZIP12,270
Total adjusted gross income$1,326,995,000This ZIP$1,326,995,000

Land area

Land area23.01 sq miThis ZIP23.01 sq mi
Water area1.83 sq miThis ZIP1.83 sq mi

Other place names in 07866

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

ZIP codes near 07866

ZIPCityDistance
07842 Hibernia, NJ 1.0 mi
07005 Boonton, NJ 4.4 mi
07834 Denville, NJ 4.7 mi
07046 Mountain Lakes, NJ 5.0 mi
07438 Oak Ridge, NJ 5.5 mi
07801 Dover, NJ 5.5 mi
07878 Mount Tabor, NJ 5.8 mi
07405 Butler, NJ 6.2 mi
07435 Newfoundland, NJ 6.4 mi
07849 Lake Hopatcong, NJ 6.5 mi

Find every ZIP code within 10 miles of 07866 →

Questions about this ZIP code

Where is ZIP code 07866?

07866 is in Rockaway, New Jersey, in Morris County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.9550, -74.4880.

What county is 07866 in?

07866 lies in Morris County.

What area code is 07866?

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

What time zone is 07866 in?

07866 uses America/New_York.

How many people live in 07866?

About 22,663 people live in ZIP code 07866, in 8,645 households, at 985.0 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 07866?

$131,403 a year, against $103,556 across New Jersey.

What ZIP codes are near 07866?

The closest are 07842 (1 mi), 07005 (4.4 mi), 07834 (4.7 mi), 07046 (5 mi) and 07438 (5.5 mi).

Is 07866 a PO Box ZIP code?

07866 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “07866 ZIP Code — Rockaway, New Jersey (Morris County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07866

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