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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/45888

45888

ZIP 45888 is Uniopolis, Ohio, in Auglaize County; area codes 419 and 567; Eastern time.

Type
Standard
Time zone
America/New_York
County
Auglaize
Metro area
Wapakoneta, OH
Population
166
Coordinates
40.6023, -84.0857
☼ Live from 45888 — Uniopolis, OH

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Local time: —

Where 45888 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 45888
  • 🔢 Type 45888 into a pocket calculator and turn it upside down: BBBSh — not quite a word, sorry.
  • ➕ As a number, 45,888 = 2 × 2 × 2 × 2 × 2 × 2 × 3 × 239. Its digits add up to 33, a total 456 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011001101000000
  • 🏠 Its numerical neighbours: 45887 (Spencerville, OH, 16 mi away) and 45889 (Van Buren, OH, 45 mi away).
  • 🔄 Backwards, 45888 becomes 88854, which is not a ZIP code at all.
  • 👥 6 other ZIP codes are made of exactly the same digits (48858, 48885, 54888, 58488, 88548, 88584). The farthest-flung twin is 88548 in El Paso, TX, 1,378 miles away.
  • 🧭 Farther north than 62% of all ZIP codes, and farther east than 60%.
  • 🎯766 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45888 and you would come out at 40.60°S, 95.91°E — 1,257 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 05m of daylight. Shortest: 9h 16m.
  • 📏 At 0.266 square miles of land, 45888 is bigger than 3% of ZIP codes — about 129 football fields.
🌙 The sky over 45888 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population166This ZIP166
Households99This ZIP99
Housing units99This ZIP99
Median age57.4This ZIP57.4Ohio39.7US 38.9
Median household income$88,237This ZIP$88,237Ohio$71,389US $80,734
Median home value$94,000This ZIP$94,000Ohio$214,800US $332,700
Bachelor's degree or higher7.1%This ZIP7.1%
Mean commute28.6 minThis ZIP28.6 min
Population density624.1 / sq miThis ZIP624.1 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees44This ZIP44
Annual payroll$4,549,000This ZIP$4,549,000

Land area

Land area0.27 sq miThis ZIP0.27 sq mi
Water area0.00 sq mi

Other place names in 45888

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

ZIP codes near 45888

ZIPCityDistance
45884 Saint Johns, OH 3.8 mi
45895 Wapakoneta, OH 4.1 mi
45806 Lima, OH 5.3 mi
45804 Lima, OH 7.5 mi
45896 Waynesfield, OH 7.5 mi
45870 New Hampshire, OH 7.7 mi
45819 Buckland, OH 9.3 mi
45805 Lima, OH 9.6 mi
43331 Lakeview, OH 10.4 mi
45334 Jackson Center, OH 11.2 mi

Find every ZIP code within 10 miles of 45888 →

Questions about this ZIP code

Where is ZIP code 45888?

45888 is in Uniopolis, Ohio, in Auglaize County, part of the Wapakoneta, OH micropolitan area. Its published point location is 40.6023, -84.0857.

What county is 45888 in?

45888 lies in Auglaize County.

What area code is 45888?

Uniopolis uses area codes 419 and 567, from NANPA's telephone records.

What time zone is 45888 in?

45888 uses America/New_York.

How many people live in 45888?

About 166 people live in ZIP code 45888, in 99 households, at 624.1 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 45888?

$88,237 a year, against $71,389 across Ohio.

What ZIP codes are near 45888?

The closest are 45884 (3.8 mi), 45895 (4.1 mi), 45806 (5.3 mi), 45804 (7.5 mi) and 45896 (7.5 mi).

Is 45888 a PO Box ZIP code?

45888 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45888 ZIP Code — Uniopolis, Ohio (Auglaize County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45888

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