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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/08857

08857

ZIP 08857 is Old Bridge, New Jersey, in Middlesex County; area codes 732 and 848; Eastern time.

Type
Standard
Time zone
America/New_York
County
Middlesex
Population
40,891
Coordinates
40.3928, -74.3304
☼ Live from 08857 — Old Bridge, NJ

Weather right now

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Local time: —

Where 08857 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 08857
  • 🔢 Type 08857 into a pocket calculator and turn it upside down: LSBBO — not quite a word, sorry.
  • ➕ As a number, 8,857 = 17 × 521. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001010011001
  • 🏠 Its numerical neighbours: 08855 (Piscataway, NJ, 5 mi away) and 08858 (Oldwick, NJ, 29 mi away).
  • 🔄 Backwards, 08857 becomes 75880 — and that is a real ZIP code: Tennessee Colony, TX, 1,333 miles away.
  • 👥 16 other ZIP codes are made of exactly the same digits (07885, 08758, 08875, 58078, 75088, 75880, …). The farthest-flung twin is 85078 in Phoenix, AZ, 2,122 miles away.
  • 🧭 Farther north than 60% of all ZIP codes, and farther east than 89%.
  • 🎯1,278 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 08857 and you would come out at 40.39°S, 105.67°E — 813 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 03m of daylight. Shortest: 9h 17m.
  • 📏 At 24.0 square miles of land, 08857 is bigger than 41% of ZIP codes — room for about 18 Central Parks.
🌙 The sky over 08857 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population40,891This ZIP40,891
Households15,740This ZIP15,740
Housing units16,301This ZIP16,301
Median age42.3This ZIP42.3New Jersey40.1US 38.9
Median household income$109,312This ZIP$109,312New Jersey$103,556US $80,734
Median home value$486,600This ZIP$486,600New Jersey$454,400US $332,700
Median gross rent$1,504This ZIP$1,504New Jersey$1,720US $1,413
Bachelor's degree or higher38.8%This ZIP38.8%
Mean commute35.9 minThis ZIP35.9 min
Population density1,700.3 / sq miThis ZIP1,700.3 / sq mi

Business and tax activity

Business establishments854This ZIP854
Employees10,542This ZIP10,542
Annual payroll$569,280,000This ZIP$569,280,000
Tax returns filed21,310This ZIP21,310
Total adjusted gross income$2,093,064,000This ZIP$2,093,064,000

Land area

Land area24.05 sq miThis ZIP24.05 sq mi
Water area0.35 sq miThis ZIP0.35 sq mi

Other place names in 08857

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

ZIP codes near 08857

ZIPCityDistance
08884 Spotswood, NJ 3.3 mi
07747 Matawan, NJ 4.1 mi
07751 Morganville, NJ 4.3 mi
08882 South River, NJ 4.4 mi
08872 Sayreville, NJ 4.5 mi
08859 Parlin, NJ 4.7 mi
08828 Helmetta, NJ 5.0 mi
08816 East Brunswick, NJ 5.2 mi
08818 Edison, NJ 5.2 mi
08855 Piscataway, NJ 5.2 mi

Find every ZIP code within 10 miles of 08857 →

Questions about this ZIP code

Where is ZIP code 08857?

08857 is in Old Bridge, New Jersey, in Middlesex County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.3928, -74.3304.

What county is 08857 in?

08857 lies in Middlesex County.

What area code is 08857?

Old Bridge uses area codes 732 and 848, from NANPA's telephone records.

What time zone is 08857 in?

08857 uses America/New_York.

How many people live in 08857?

About 40,891 people live in ZIP code 08857, in 15,740 households, at 1,700.3 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 08857?

$109,312 a year, against $103,556 across New Jersey.

What ZIP codes are near 08857?

The closest are 08884 (3.3 mi), 07747 (4.1 mi), 07751 (4.3 mi), 08882 (4.4 mi) and 08872 (4.5 mi).

Is 08857 a PO Box ZIP code?

08857 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “08857 ZIP Code — Old Bridge, New Jersey (Middlesex County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/08857

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