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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/43105

43105

ZIP 43105 is Baltimore, Ohio, mostly in Fairfield County; area codes 220 and 740; Eastern time.

Type
Standard
Time zone
America/New_York
County
Fairfield +1 more
Metro area
Columbus, OH
Population
8,982
Coordinates
39.8668, -82.6124
☼ Live from 43105 — Baltimore, OH

Weather right now

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Where 43105 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 43105
  • 🔢 Type 43105 into a pocket calculator and turn it upside down: SOIEh — not quite a word, sorry.
  • ➕ As a number, 43,105 = 5 × 37 × 233. Its digits add up to 13, a total 1,179 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010100001100001
  • 🏠 Its numerical neighbours: 43103 (Ashville, OH, 20 mi away) and 43106 (Bloomingburg, OH, 45 mi away).
  • 🔄 Backwards, 43105 becomes 50134 — and that is a real ZIP code: Kelley, IA, 595 miles away.
  • 👥 64 other ZIP codes are made of exactly the same digits (01354, 01453, 01534, 01543, 03451, 04351, …). The farthest-flung twin is 34051 in FPO AA, a military post office, 1,806 miles away.
  • 🧭 Farther north than 55% of all ZIP codes, and farther east than 64%.
  • 🎯846 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 43105 and you would come out at 39.87°S, 97.39°E — 1,166 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
  • 📏 At 56.6 square miles of land, 43105 is bigger than 63% of ZIP codes — room for about 43 Central Parks.
🌙 The sky over 43105 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population8,982This ZIP8,982
Households3,479This ZIP3,479
Housing units3,565This ZIP3,565
Median age41.4This ZIP41.4Ohio39.7US 38.9
Median household income$98,583This ZIP$98,583Ohio$71,389US $80,734
Median home value$340,900This ZIP$340,900Ohio$214,800US $332,700
Median gross rent$903This ZIP$903Ohio$1,034US $1,413
Bachelor's degree or higher31.1%This ZIP31.1%
Mean commute27.6 minThis ZIP27.6 min
Population density158.6 / sq miThis ZIP158.6 / sq mi

Business and tax activity

Business establishments143This ZIP143
Employees929This ZIP929
Annual payroll$36,959,000This ZIP$36,959,000
Tax returns filed4,240This ZIP4,240
Total adjusted gross income$353,619,000This ZIP$353,619,000

Land area

Land area56.63 sq miThis ZIP56.63 sq mi
Water area0.00 sq miThis ZIP0.00 sq mi

Counties 43105 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Fairfield County 99.5%
Licking County 0.5%

Other place names in 43105

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

ZIP codes near 43105

ZIPCityDistance
43157 Thurston, OH 3.8 mi
43046 Millersport, OH 4.5 mi
43033 Kirkersville, OH 6.6 mi
43148 Pleasantville, OH 6.8 mi
43112 Carroll, OH 6.9 mi
43018 Etna, OH 6.9 mi
43147 Pickerington, OH 7.3 mi
43008 Buckeye Lake, OH 8.2 mi
43025 Hebron, OH 8.8 mi
43110 Canal Winchester, OH 10.3 mi

Find every ZIP code within 10 miles of 43105 →

Questions about this ZIP code

Where is ZIP code 43105?

43105 is in Baltimore, Ohio, in Fairfield County, part of the Columbus, OH metropolitan area. Its published point location is 39.8668, -82.6124.

What county is 43105 in?

43105 spans 2 counties: Fairfield County and Licking County. Most of it falls in Fairfield County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What area code is 43105?

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

What time zone is 43105 in?

43105 uses America/New_York.

How many people live in 43105?

About 8,982 people live in ZIP code 43105, in 3,479 households, at 158.6 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 43105?

$98,583 a year, against $71,389 across Ohio.

What ZIP codes are near 43105?

The closest are 43157 (3.8 mi), 43046 (4.5 mi), 43033 (6.6 mi), 43148 (6.8 mi) and 43112 (6.9 mi).

Is 43105 a PO Box ZIP code?

43105 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “43105 ZIP Code — Baltimore, Ohio (Fairfield County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43105

Machine-readable version of these facts:

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