Every ZIP code in the United States, with weather, radar, trivia and the numbers behind it. Five digits since 1963!

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/45801

45801

ZIP 45801 is in Lima, Ohio, in Allen County; area codes 419 and 567; Eastern time. Lima has 6 ZIP codes; the others are 45802, 45804, 45805, 45806 and 45807.

Type
Standard
Time zone
America/New_York
County
Allen
Metro area
Lima, OH
Population
21,739
Coordinates
40.7729, -84.0341
☼ Live from 45801 — Lima, OH

Weather right now

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Local time: —

Where 45801 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 45801
  • 🔢 Type 45801 into a pocket calculator and turn it upside down: IOBSh — not quite a word, sorry.
  • ➕ As a number, 45,801 = 3 × 3 × 7 × 727. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011001011101001
  • 🏠 Its numerical neighbours: 45789 (Wingett Run, OH, 169 mi away) and 45802 (Lima, OH, 6 mi away).
  • 🔄 Backwards, 45801 becomes 10854, which is not a ZIP code at all.
  • 👥 59 other ZIP codes are made of exactly the same digits (01845, 01854, 04851, 05148, 05481, 05841, …). The farthest-flung twin is 85041 in Phoenix, AZ, 1,621 miles away.
  • 🧭 Farther north than 64% of all ZIP codes, and farther east than 60%.
  • 🎯768 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45801 and you would come out at 40.77°S, 95.97°E — 1,259 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
  • 📏 At 45.7 square miles of land, 45801 is bigger than 57% of ZIP codes — room for about 35 Central Parks.
🌙 The sky over 45801 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population21,739This ZIP21,739
Households8,466This ZIP8,466
Housing units9,367This ZIP9,367
Median age38.4This ZIP38.4Ohio39.7US 38.9
Median household income$51,731This ZIP$51,731Ohio$71,389US $80,734
Median home value$123,900This ZIP$123,900Ohio$214,800US $332,700
Median gross rent$896This ZIP$896Ohio$1,034US $1,413
Bachelor's degree or higher12.9%This ZIP12.9%
Mean commute17.9 minThis ZIP17.9 min
Population density475.6 / sq miThis ZIP475.6 / sq mi

Business and tax activity

Business establishments501This ZIP501
Employees11,257This ZIP11,257
Annual payroll$645,816,000This ZIP$645,816,000
Tax returns filed9,370This ZIP9,370
Total adjusted gross income$473,481,000This ZIP$473,481,000

Land area

Land area45.71 sq miThis ZIP45.71 sq mi
Water area0.57 sq miThis ZIP0.57 sq mi

Other place names in 45801

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

ZIP codes near 45801

ZIPCityDistance
45854 Lafayette, OH 4.4 mi
45804 Lima, OH 4.6 mi
45820 Cairo, OH 4.8 mi
45808 Beaverdam, OH 5.1 mi
45802 Lima, OH 5.5 mi
45805 Lima, OH 7.4 mi
45807 Lima, OH 7.6 mi
45850 Harrod, OH 7.7 mi
45806 Lima, OH 8.4 mi
45809 Gomer, OH 9.3 mi

Find every ZIP code within 10 miles of 45801 →

Questions about this ZIP code

Where is ZIP code 45801?

45801 is in Lima, Ohio, in Allen County, part of the Lima, OH metropolitan area. Its published point location is 40.7729, -84.0341.

What county is 45801 in?

45801 lies in Allen County.

What area code is 45801?

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

What time zone is 45801 in?

45801 uses America/New_York.

How many people live in 45801?

About 21,739 people live in ZIP code 45801, in 8,466 households, at 475.6 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 45801?

$51,731 a year, against $71,389 across Ohio.

What ZIP codes are near 45801?

The closest are 45854 (4.4 mi), 45804 (4.6 mi), 45820 (4.8 mi), 45808 (5.1 mi) and 45802 (5.5 mi).

Is 45801 a PO Box ZIP code?

45801 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45801 ZIP Code — Lima, Ohio (Allen County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45801

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