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/07839

07839

ZIP 07839 is Greendell, New Jersey, in Sussex County; area codes 862 and 973; Eastern time.

Type
No street area
Time zone
America/New_York
County
Sussex
Coordinates
40.9740, -74.8210

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 07821, whose figures describe that area — not this ZIP code.

☼ Live from 07839 — Greendell, NJ

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Where 07839 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 07839
  • 🔢 Type 07839 into a pocket calculator and turn it upside down: GEBLO — not quite a word, sorry.
  • ➕ As a number, 7,839 = 3 × 3 × 13 × 67. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1111010011111
  • 🏠 Its numerical neighbours: 07838 (Great Meadows, NJ, 8 mi away) and 07840 (Hackettstown, NJ, 8 mi away).
  • 🔄 Backwards, 07839 becomes 93870, which is not a ZIP code at all.
  • 👥 35 other ZIP codes are made of exactly the same digits (03897, 07938, 08739, 09738, 09837, 09873, …). The farthest-flung twin is 09837 in FPO AE, a military post office, 6,627 miles away.
  • 🧭 Farther north than 66% of all ZIP codes, and farther east than 88%.
  • 🎯1,249 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 07839 and you would come out at 40.97°S, 105.18°E — 859 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 07m of daylight. Shortest: 9h 13m.
🌙 The sky over 07839 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments3This ZIP3
Employees25This ZIP25
Annual payroll$456,000This ZIP$456,000

Land area

ZIP codes near 07839

ZIPCityDistance
07879 Tranquility, NJ 2.1 mi
07846 Johnsonburg, NJ 3.0 mi
07820 Allamuchy, NJ 3.3 mi
07821 Andover, NJ 3.5 mi
07875 Stillwater, NJ 5.5 mi
07860 Newton, NJ 5.8 mi
07855 Middleville, NJ 6.1 mi
07874 Stanhope, NJ 6.6 mi
07828 Budd Lake, NJ 7.0 mi
07880 Vienna, NJ 7.1 mi

Find every ZIP code within 10 miles of 07839 →

Questions about this ZIP code

Where is ZIP code 07839?

07839 is in Greendell, New Jersey, in Sussex County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.9740, -74.8210.

What county is 07839 in?

07839 lies in Sussex County.

What area code is 07839?

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

What time zone is 07839 in?

07839 uses America/New_York.

What ZIP codes are near 07839?

The closest are 07879 (2.1 mi), 07846 (3 mi), 07820 (3.3 mi), 07821 (3.5 mi) and 07875 (5.5 mi).

Is 07839 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

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Cite this page

zipcodes.pro. “07839 ZIP Code — Greendell, New Jersey (Sussex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07839

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/07839.json

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