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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/16333

16333

ZIP 16333 is Ludlow, Pennsylvania, in McKean County; area codes 582 and 814; Eastern time.

Type
Standard
Time zone
America/New_York
County
McKean
Metro area
Bradford, PA
Population
248
Coordinates
41.7492, -78.9323
☼ Live from 16333 — Ludlow, PA

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Local time: —

Where 16333 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 16333
  • 🔢 Type 16333 into a pocket calculator and turn it upside down: EEEgI — not quite a word, sorry.
  • ➕ 16333 is a prime number. It cannot be divided by anything except 1 and itself. Its digits add up to 16, a total 1,922 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 11111111001101
  • 🏠 Its numerical neighbours: 16332 (Lickingville, PA, 35 mi away) and 16334 (Marble, PA, 41 mi away).
  • 🔄 Backwards, 16333 becomes 33361, which is not a ZIP code at all.
  • 👥 11 other ZIP codes are made of exactly the same digits (13363, 13633, 33136, 33163, 33316, 33613, …). The farthest-flung twin is 33136 in Miami, FL, 1,105 miles away.
  • 🧭 Farther north than 73% of all ZIP codes, and farther east than 77%.
  • 🎯1,034 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 16333 and you would come out at 41.75°S, 101.07°E — 1,059 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 13m of daylight. Shortest: 9h 08m.
  • 📏 At 5.8 square miles of land, 16333 is bigger than 20% of ZIP codes — room for about 4.4 Central Parks.
🌙 The sky over 16333 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population248This ZIP248
Households134This ZIP134
Housing units217This ZIP217
Median age59.8This ZIP59.8Pennsylvania40.9US 38.9
Median household income$44,405This ZIP$44,405Pennsylvania$77,971US $80,734
Median home value$83,400This ZIP$83,400Pennsylvania$254,500US $332,700
Bachelor's degree or higher8.7%This ZIP8.7%
Mean commute28.5 minThis ZIP28.5 min
Population density43.1 / sq miThis ZIP43.1 / sq mi

Business and tax activity

Business establishments8This ZIP8
Employees35This ZIP35
Annual payroll$578,000This ZIP$578,000

Land area

Land area5.76 sq miThis ZIP5.76 sq mi
Water area0.00 sq mi

ZIP codes near 16333

ZIPCityDistance
16352 Tiona, PA 5.5 mi
16347 Sheffield, PA 9.4 mi
16734 James City, PA 10.2 mi
16735 Kane, PA 10.5 mi
16738 Lewis Run, PA 11.1 mi
16313 Clarendon, PA 11.2 mi
16366 Warren, PA 12.8 mi
16367 Warren, PA 12.8 mi
16365 Warren, PA 13.2 mi
16701 Bradford, PA 15.0 mi

Find every ZIP code within 10 miles of 16333 →

Questions about this ZIP code

Where is ZIP code 16333?

16333 is in Ludlow, Pennsylvania, in McKean County, part of the Bradford, PA micropolitan area. Its published point location is 41.7492, -78.9323.

What county is 16333 in?

16333 lies in McKean County.

What area code is 16333?

Ludlow uses area codes 582 and 814, from NANPA's telephone records.

What time zone is 16333 in?

16333 uses America/New_York.

How many people live in 16333?

About 248 people live in ZIP code 16333, in 134 households, at 43.1 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 16333?

$44,405 a year, against $77,971 across Pennsylvania.

What ZIP codes are near 16333?

The closest are 16352 (5.5 mi), 16347 (9.4 mi), 16734 (10.2 mi), 16735 (10.5 mi) and 16738 (11.1 mi).

Is 16333 a PO Box ZIP code?

16333 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “16333 ZIP Code — Ludlow, Pennsylvania (McKean County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/16333

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