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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/43158

43158

ZIP 43158 is Union Furnace, Ohio, in Hocking County; area codes 740 and 220; Eastern time.

Type
Standard
Time zone
America/New_York
County
Hocking
Metro area
Columbus, OH
Population
160
Coordinates
39.4530, -82.3512
☼ Live from 43158 — Union Furnace, OH

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Where 43158 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 43158
  • 🔢 Type 43158 into a pocket calculator and turn it upside down: BSIEh — not quite a word, sorry.
  • ➕ As a number, 43,158 = 2 × 3 × 7193. Its digits add up to 21, a total 2,594 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010100010010110
  • 🏠 Its numerical neighbours: 43157 (Thurston, OH, 29 mi away) and 43160 (Washington Court House, OH, 58 mi away).
  • 🔄 Backwards, 43158 becomes 85134, which is not a ZIP code at all.
  • 👥 47 other ZIP codes are made of exactly the same digits (13485, 13845, 14538, 14853, 15348, 15438, …). The farthest-flung twin is 83541 in Lenore, ID, 1,778 miles away.
  • 🧭 Farther north than 52% of all ZIP codes, and farther east than 65%.
  • 🎯863 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 43158 and you would come out at 39.45°S, 97.65°E — 1,143 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 57m of daylight. Shortest: 9h 23m.
  • 📏 At 2.3 square miles of land, 43158 is bigger than 12% of ZIP codes — room for about 1.8 Central Parks.
🌙 The sky over 43158 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population160This ZIP160
Households34This ZIP34
Housing units34This ZIP34
Median age21.4This ZIP21.4Ohio39.7US 38.9
Median gross rent$956This ZIP$956Ohio$1,034US $1,413
Bachelor's degree or higher2.9%This ZIP2.9%
Mean commute9.6 minThis ZIP9.6 min
Population density69.4 / sq miThis ZIP69.4 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees7This ZIP7
Annual payroll$113,000This ZIP$113,000

Land area

Land area2.31 sq miThis ZIP2.31 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

ZIP codes near 43158

ZIPCityDistance
43127 Haydenville, OH 2.4 mi
43138 Logan, OH 5.6 mi
45654 New Plymouth, OH 6.1 mi
45764 Nelsonville, OH 6.4 mi
43111 Carbon Hill, OH 6.7 mi
45717 Carbondale, OH 6.7 mi
45716 Buchtel, OH 8.9 mi
43144 Murray City, OH 9.9 mi
45622 Creola, OH 10.1 mi
45766 New Marshfield, OH 10.4 mi

Find every ZIP code within 10 miles of 43158 →

Questions about this ZIP code

Where is ZIP code 43158?

43158 is in Union Furnace, Ohio, in Hocking County, part of the Columbus, OH metropolitan area. Its published point location is 39.4530, -82.3512.

What county is 43158 in?

43158 lies in Hocking County.

What area code is 43158?

Union Furnace uses area codes 740 and 220, from NANPA's telephone records.

What time zone is 43158 in?

43158 uses America/New_York.

How many people live in 43158?

About 160 people live in ZIP code 43158, in 34 households, at 69.4 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 43158?

The closest are 43127 (2.4 mi), 43138 (5.6 mi), 45654 (6.1 mi), 45764 (6.4 mi) and 43111 (6.7 mi).

Is 43158 a PO Box ZIP code?

43158 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “43158 ZIP Code — Union Furnace, Ohio (Hocking County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43158

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