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/08855

08855

ZIP 08855 is in Piscataway, New Jersey, in Middlesex County; area codes 732, 848 and 908; Eastern time. Piscataway has 2 ZIP codes; the other is 08854.

Type
No street area
Time zone
America/New_York
County
Middlesex
Coordinates
40.4300, -74.4173

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 08816, whose figures describe that area — not this ZIP code.

☼ Live from 08855 — Piscataway, NJ

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Where 08855 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 08855
  • 🔢 Type 08855 into a pocket calculator and turn it upside down: SSBBO — not quite a word, sorry.
  • ➕ As a number, 8,855 = 5 × 7 × 11 × 23. Its digits add up to 26, a total 2,038 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001010010111
  • 🏠 Its numerical neighbours: 08854 (Piscataway, NJ, 8 mi away) and 08857 (Old Bridge, NJ, 5 mi away).
  • 🔄 Backwards, 08855 becomes 55880, which is not a ZIP code at all.
  • 👥 11 other ZIP codes are made of exactly the same digits (05858, 08558, 50588, 50858, 55088, 55808, …). The farthest-flung twin is 85085 in Phoenix, AZ, 2,110 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther east than 89%.
  • 🎯1,273 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 08855 and you would come out at 40.43°S, 105.58°E — 818 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 17m.
🌙 The sky over 08855 today
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Source: USGS.

Business and tax activity

Business establishments20This ZIP20
Employees3,089This ZIP3,089
Annual payroll$394,140,000This ZIP$394,140,000

Land area

ZIP codes near 08855

ZIPCityDistance
08818 Edison, NJ 0.0 mi
08862 Perth Amboy, NJ 0.0 mi
08871 Sayreville, NJ 0.0 mi
08989 New Brunswick, NJ 0.0 mi
08816 East Brunswick, NJ 0.1 mi
08850 Milltown, NJ 1.8 mi
08882 South River, NJ 2.3 mi
08884 Spotswood, NJ 2.8 mi
08828 Helmetta, NJ 3.6 mi
08872 Sayreville, NJ 3.9 mi

Find every ZIP code within 10 miles of 08855 →

Questions about this ZIP code

Where is ZIP code 08855?

08855 is in Piscataway, New Jersey, in Middlesex County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.4300, -74.4173.

What county is 08855 in?

08855 lies in Middlesex County.

What area code is 08855?

Piscataway uses area codes 732, 848 and 908, from NANPA's telephone records.

What time zone is 08855 in?

08855 uses America/New_York.

What ZIP codes are near 08855?

The closest are 08818 (0 mi), 08862 (0 mi), 08871 (0 mi), 08989 (0 mi) and 08816 (0.1 mi).

Is 08855 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. “08855 ZIP Code — Piscataway, New Jersey (Middlesex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/08855

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/08855.json

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