07877

ZIP 07877 is Swartswood, New Jersey, in Sussex County; area codes 973 and 862; Eastern time.

Type: No street area
Time zone: America/New_York
County: Sussex
Metro area: New York-Newark-Jersey City, NY-NJ
Coordinates: 41.1029, -74.8508

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 07860, whose figures describe that area — not this ZIP code.

☼ Live from 07877 — Swartswood, NJ

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Where 07877 is

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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 07877

🔢 Type 07877 into a pocket calculator and turn it upside down: LLBLO — not quite a word, sorry.
➕ 07877 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 29, a total 1,296 other ZIP codes share.
💾In binary, the way a computer stores it: 1111011000101
🏠 Its numerical neighbours: 07876 (Succasunna, NJ, 20 mi away) and 07878 (Mount Tabor, NJ, 25 mi away).
🔄 Backwards, 07877 becomes 77870 — and that is a real ZIP code: New Baden, TX, 1,385 miles away.
👥 7 other ZIP codes are made of exactly the same digits (70778, 70787, 77078, 77087, 77708, 77807, …). The farthest-flung twin is 77807 in Bryan, TX, 1,403 miles away.
🧭 Farther north than 68% of all ZIP codes, and farther east than 88%.
🎯1,247 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
🌏 Dig straight through the Earth from 07877 and you would come out at 41.10°S, 105.15°E — 867 miles from Perth, Australia, the nearest big city to that spot.
☀Longest day of the year: 15h 08m of daylight. Shortest: 9h 13m.

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Land area

ZIP codes near 07877

ZIP	City	Distance
`07855`	Middleville, NJ	3.3 mi
`07860`	Newton, NJ	4.0 mi
`07875`	Stillwater, NJ	4.2 mi
`07826`	Branchville, NJ	4.6 mi
`07881`	Wallpack Center, NJ	4.6 mi
`07890`	Branchville, NJ	5.9 mi
`07851`	Layton, NJ	6.7 mi
`07822`	Augusta, NJ	7.8 mi
`18324`	Bushkill, PA	8.7 mi
`07848`	Lafayette, NJ	8.9 mi

Find every ZIP code within 10 miles of 07877 →

Questions about this ZIP code

Where is ZIP code 07877?

07877 is in Swartswood, New Jersey, in Sussex County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 41.1029, -74.8508.

What county is 07877 in?

07877 lies in Sussex County.

What area code is 07877?

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

What time zone is 07877 in?

07877 uses America/New_York.

What ZIP codes are near 07877?

The closest are 07855 (3.3 mi), 07860 (4 mi), 07875 (4.2 mi), 07826 (4.6 mi) and 07881 (4.6 mi).

Is 07877 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. “07877 ZIP Code — Swartswood, New Jersey (Sussex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/07877

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/07877.json

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