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/08803

08803

ZIP 08803 is Baptistown, New Jersey, in Hunterdon County; area code 908; Eastern time.

Type
No street area
Time zone
America/New_York
County
Hunterdon
Coordinates
40.5218, -75.0060

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 08825, whose figures describe that area — not this ZIP code.

☼ Live from 08803 — Baptistown, NJ

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Where 08803 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 08803
  • 🔢 Type 08803 into a pocket calculator and turn it upside down: EOBBO — not quite a word, sorry.
  • ➕ 08803 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 19, a total 2,454 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 10001001100011
  • 🏠 Its numerical neighbours: 08802 (Asbury, NJ, 11 mi away) and 08804 (Bloomsbury, NJ, 10 mi away).
  • 🔄 Backwards, 08803 becomes 30880, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (08038, 08083, 08830, 30088, 30808, 38008, …). The farthest-flung twin is 88030 in Deming, NM, 1,898 miles away.
  • 🧭 Farther north than 61% of all ZIP codes, and farther east than 88%.
  • 🎯1,242 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 08803 and you would come out at 40.52°S, 104.99°E — 846 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 04m of daylight. Shortest: 9h 16m.
🌙 The sky over 08803 today
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Source: USGS.

Business and tax activity

Business establishments4This ZIP4
Employees14This ZIP14
Annual payroll$151,000This ZIP$151,000

Land area

ZIP codes near 08803

ZIPCityDistance
08825 Frenchtown, NJ 1.2 mi
08834 Little York, NJ 4.1 mi
08867 Pittstown, NJ 4.2 mi
08868 Quakertown, NJ 4.6 mi
18920 Erwinna, PA 4.7 mi
08559 Stockton, NJ 5.8 mi
08557 Sergeantsville, NJ 6.2 mi
18972 Upper Black Eddy, PA 6.2 mi
18950 Point Pleasant, PA 6.8 mi
08848 Milford, NJ 6.9 mi

Find every ZIP code within 10 miles of 08803 →

Questions about this ZIP code

Where is ZIP code 08803?

08803 is in Baptistown, New Jersey, in Hunterdon County, part of the New York-Newark-Jersey City, NY-NJ metropolitan area. Its published point location is 40.5218, -75.0060.

What county is 08803 in?

08803 lies in Hunterdon County.

What area code is 08803?

Baptistown uses area code 908, from NANPA's telephone records.

What time zone is 08803 in?

08803 uses America/New_York.

What ZIP codes are near 08803?

The closest are 08825 (1.2 mi), 08834 (4.1 mi), 08867 (4.2 mi), 08868 (4.6 mi) and 18920 (4.7 mi).

Is 08803 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. “08803 ZIP Code — Baptistown, New Jersey (Hunterdon County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/08803

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