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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/43939

43939

ZIP 43939 is Mount Pleasant, Ohio, in Jefferson County; area codes 740 and 220; Eastern time.

Type
Standard
Time zone
America/New_York
County
Jefferson
Population
341
Coordinates
40.1672, -80.8000
☼ Live from 43939 — Mount Pleasant, OH

Weather right now

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Local time: —

Where 43939 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 43939
  • 🔢 Type 43939 into a pocket calculator and turn it upside down: GEGEh — not quite a word, sorry.
  • ➕ As a number, 43,939 = 7 × 6277. Its digits add up to 28, a total 1,520 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1010101110100011
  • 🏠 Its numerical neighbours: 43938 (Mingo Junction, OH, 11 mi away) and 43940 (Neffs, OH, 10 mi away).
  • 🔄 Backwards, 43939 becomes 93934, which is not a ZIP code at all.
  • 👥 8 other ZIP codes are made of exactly the same digits (33499, 33949, 33994, 39439, 49339, 93943, …). The farthest-flung twin is 94933 in Forest Knolls, CA, 2,230 miles away.
  • 🧭 Farther north than 58% of all ZIP codes, and farther east than 71%.
  • 🎯940 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 43939 and you would come out at 40.17°S, 99.20°E — 1,087 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 02m of daylight. Shortest: 9h 18m.
  • 📏 At 0.916 square miles of land, 43939 is bigger than 8% of ZIP codes — about 443 football fields.
🌙 The sky over 43939 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population341This ZIP341
Households154This ZIP154
Housing units170This ZIP170
Median age48.3This ZIP48.3Ohio39.7US 38.9
Median household income$46,250This ZIP$46,250Ohio$71,389US $80,734
Median home value$97,200This ZIP$97,200Ohio$214,800US $332,700
Median gross rent$910This ZIP$910Ohio$1,034US $1,413
Bachelor's degree or higher8.7%This ZIP8.7%
Mean commute36.5 minThis ZIP36.5 min
Population density372.3 / sq miThis ZIP372.3 / sq mi

Business and tax activity

Business establishments12This ZIP12
Employees43This ZIP43
Annual payroll$1,114,000This ZIP$1,114,000

Land area

Land area0.92 sq miThis ZIP0.92 sq mi
Water area0.00 sq mi

Other place names in 43939

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

ZIP codes near 43939

ZIPCityDistance
43916 Colerain, OH 3.2 mi
43917 Dillonvale, OH 3.3 mi
43905 Barton, OH 4.1 mi
43935 Martins Ferry, OH 4.5 mi
43943 Rayland, OH 4.6 mi
43971 Yorkville, OH 4.6 mi
43974 Harrisville, OH 4.7 mi
43937 Maynard, OH 4.8 mi
43901 Adena, OH 4.9 mi
43912 Bridgeport, OH 5.3 mi

Find every ZIP code within 10 miles of 43939 →

Questions about this ZIP code

Where is ZIP code 43939?

43939 is in Mount Pleasant, Ohio, in Jefferson County, part of the Weirton-Steubenville, WV-OH metropolitan area. Its published point location is 40.1672, -80.8000.

What county is 43939 in?

43939 lies in Jefferson County.

What area code is 43939?

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

What time zone is 43939 in?

43939 uses America/New_York.

How many people live in 43939?

About 341 people live in ZIP code 43939, in 154 households, at 372.3 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 43939?

$46,250 a year, against $71,389 across Ohio.

What ZIP codes are near 43939?

The closest are 43916 (3.2 mi), 43917 (3.3 mi), 43905 (4.1 mi), 43935 (4.5 mi) and 43943 (4.6 mi).

Is 43939 a PO Box ZIP code?

43939 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “43939 ZIP Code — Mount Pleasant, Ohio (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/43939

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