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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/43004

43004

ZIP 43004 is Blacklick, Ohio, in Franklin County; area codes 614 and 380; Eastern time.

Type
Standard
Time zone
America/New_York
County
Franklin
Metro area
Columbus, OH
Population
31,477
Coordinates
40.0154, -82.8045
☼ Live from 43004 — Blacklick, OH

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Local time: —

Where 43004 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 43004
  • 🔢 Type 43004 into a pocket calculator and turn it upside down: hOOEh — not quite a word, sorry.
  • ➕ As a number, 43,004 = 2 × 2 × 13 × 827. Its digits add up to 11, a total 714 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010011111111100
  • 🏠 Its numerical neighbours: 43003 (Ashley, OH, 29 mi away) and 43005 (Bladensburg, OH, 34 mi away).
  • 🔄 Backwards, 43004 becomes 40034, which is not a ZIP code at all.
  • 👥 13 other ZIP codes are made of exactly the same digits (03044, 03440, 04034, 04043, 04430, 30044, …). The farthest-flung twin is 34004 in APO AA, a military post office, 2,151 miles away.
  • 🧭 Farther north than 57% of all ZIP codes, and farther east than 64%.
  • 🎯835 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 43004 and you would come out at 40.02°S, 97.20°E — 1,180 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 01m of daylight. Shortest: 9h 19m.
  • 📏 At 12.5 square miles of land, 43004 is bigger than 30% of ZIP codes — room for about 9.5 Central Parks.
🌙 The sky over 43004 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population31,477This ZIP31,477
Households11,419This ZIP11,419
Housing units11,673This ZIP11,673
Median age37.2This ZIP37.2Ohio39.7US 38.9
Median household income$101,175This ZIP$101,175Ohio$71,389US $80,734
Median home value$335,400This ZIP$335,400Ohio$214,800US $332,700
Median gross rent$1,464This ZIP$1,464Ohio$1,034US $1,413
Bachelor's degree or higher44.8%This ZIP44.8%
Mean commute23.5 minThis ZIP23.5 min
Population density2,517.8 / sq miThis ZIP2,517.8 / sq mi

Business and tax activity

Business establishments280This ZIP280
Employees3,385This ZIP3,385
Annual payroll$192,916,000This ZIP$192,916,000
Tax returns filed15,340This ZIP15,340
Total adjusted gross income$1,439,461,000This ZIP$1,439,461,000

Land area

Land area12.50 sq miThis ZIP12.50 sq mi
Water area0.20 sq miThis ZIP0.20 sq mi

Other place names in 43004

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

ZIP codes near 43004

ZIPCityDistance
43073 Summit Station, OH 3.0 mi
43054 New Albany, OH 3.8 mi
43230 Columbus, OH 3.9 mi
43069 Reynoldsburg, OH 4.1 mi
43068 Reynoldsburg, OH 4.2 mi
43213 Columbus, OH 4.4 mi
43219 Columbus, OH 6.2 mi
43218 Columbus, OH 6.3 mi
43062 Pataskala, OH 6.3 mi
43227 Columbus, OH 6.7 mi

Find every ZIP code within 10 miles of 43004 →

Questions about this ZIP code

Where is ZIP code 43004?

43004 is in Blacklick, Ohio, in Franklin County, part of the Columbus, OH metropolitan area. Its published point location is 40.0154, -82.8045.

What county is 43004 in?

43004 lies in Franklin County.

What area code is 43004?

Blacklick uses area codes 614 and 380, from NANPA's telephone records.

What time zone is 43004 in?

43004 uses America/New_York.

How many people live in 43004?

About 31,477 people live in ZIP code 43004, in 11,419 households, at 2,517.8 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 43004?

$101,175 a year, against $71,389 across Ohio.

What ZIP codes are near 43004?

The closest are 43073 (3 mi), 43054 (3.8 mi), 43230 (3.9 mi), 43069 (4.1 mi) and 43068 (4.2 mi).

Is 43004 a PO Box ZIP code?

43004 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “43004 ZIP Code — Blacklick, Ohio (Franklin County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43004

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