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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/45155

45155

ZIP 45155 is Mowrystown, Ohio, in Highland County; area codes 326 and 937; Eastern time.

Type
Standard
Time zone
America/New_York
County
Highland
Metro area
none
Population
510
Coordinates
39.0425, -83.7522
☼ Live from 45155 — Mowrystown, OH

Weather right now

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Local time: —

Where 45155 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 45155
  • 🔢 Type 45155 into a pocket calculator and turn it upside down: SSISh — not quite a word, sorry.
  • ➕ As a number, 45,155 = 5 × 11 × 821. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000001100011
  • 🏠 Its numerical neighbours: 45154 (Mount Orab, OH, 9 mi away) and 45156 (Neville, OH, 30 mi away).
  • 🔄 Backwards, 45155 becomes 55154, which is not a ZIP code at all.
  • 👥 12 other ZIP codes are made of exactly the same digits (14555, 15455, 15545, 15554, 41555, 51455, …). The farthest-flung twin is 51545 in Little Sioux, IA, 673 miles away.
  • 🧭 Farther south than 50% of all ZIP codes, and farther east than 61%.
  • 🎯792 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45155 and you would come out at 39.04°S, 96.25°E — 1,204 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 14h 55m of daylight. Shortest: 9h 25m.
  • 📏 At 0.482 square miles of land, 45155 is bigger than 5% of ZIP codes — about 233 football fields.
🌙 The sky over 45155 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population510This ZIP510
Households169This ZIP169
Housing units194This ZIP194
Median age35.1This ZIP35.1Ohio39.7US 38.9
Median household income$72,813This ZIP$72,813Ohio$71,389US $80,734
Median home value$93,000This ZIP$93,000Ohio$214,800US $332,700
Median gross rent$858This ZIP$858Ohio$1,034US $1,413
Bachelor's degree or higher11.2%This ZIP11.2%
Mean commute37.4 minThis ZIP37.4 min
Population density1,058.1 / sq miThis ZIP1,058.1 / sq mi

Business and tax activity

Business establishments9This ZIP9
Employees58This ZIP58
Annual payroll$1,587,000This ZIP$1,587,000

Land area

Land area0.48 sq miThis ZIP0.48 sq mi
Water area0.01 sq miThis ZIP0.01 sq mi

Other place names in 45155

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

ZIP codes near 45155

ZIPCityDistance
45171 Sardinia, OH 3.1 mi
45697 Winchester, OH 8.7 mi
45154 Mount Orab, OH 9.0 mi
45679 Seaman, OH 10.7 mi
45142 Lynchburg, OH 11.8 mi
45118 Fayetteville, OH 12.6 mi
45133 Hillsboro, OH 12.6 mi
45618 Cherry Fork, OH 13.1 mi
45168 Russellville, OH 13.3 mi
45121 Georgetown, OH 14.8 mi

Find every ZIP code within 10 miles of 45155 →

Questions about this ZIP code

Where is ZIP code 45155?

45155 is in Mowrystown, Ohio, in Highland County. Its published point location is 39.0425, -83.7522.

What county is 45155 in?

45155 lies in Highland County.

What area code is 45155?

Mowrystown uses area codes 326 and 937, from NANPA's telephone records.

What time zone is 45155 in?

45155 uses America/New_York.

How many people live in 45155?

About 510 people live in ZIP code 45155, in 169 households, at 1,058.1 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 45155?

$72,813 a year, against $71,389 across Ohio.

What ZIP codes are near 45155?

The closest are 45171 (3.1 mi), 45697 (8.7 mi), 45154 (9 mi), 45679 (10.7 mi) and 45142 (11.8 mi).

Is 45155 a PO Box ZIP code?

45155 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “45155 ZIP Code — Mowrystown, Ohio (Highland County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45155

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