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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/45506

45506

ZIP 45506 is in Springfield, Ohio, in Clark County; area codes 937 and 326; Eastern time. Springfield has 6 ZIP codes; the others are 45501, 45502, 45503, 45504 and 45505.

Type
Standard
Time zone
America/New_York
County
Clark
Metro area
Springfield, OH
Population
13,435
Coordinates
39.9080, -83.8367
☼ Live from 45506 — Springfield, OH

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Local time: —

Where 45506 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 45506
  • 🔢 Type 45506 into a pocket calculator and turn it upside down: gOSSh — not quite a word, sorry.
  • ➕ As a number, 45,506 = 2 × 61 × 373. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1011000111000010
  • 🏠 Its numerical neighbours: 45505 (Springfield, OH, 4 mi away) and 45601 (Chillicothe, OH, 62 mi away).
  • 🔄 Backwards, 45506 becomes 60554 — and that is a real ZIP code: Sugar Grove, IL, 274 miles away.
  • 👥 33 other ZIP codes are made of exactly the same digits (04556, 04565, 04655, 05456, 05465, 05654, …). The farthest-flung twin is 04655 in Machiasport, ME, 901 miles away.
  • 🧭 Farther north than 56% of all ZIP codes, and farther east than 60%.
  • 🎯781 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 45506 and you would come out at 39.91°S, 96.16°E — 1,228 miles from Perth, Australia, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 00m of daylight. Shortest: 9h 20m.
  • 📏 At 12.2 square miles of land, 45506 is bigger than 30% of ZIP codes — room for about 9.3 Central Parks.
🌙 The sky over 45506 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population13,435This ZIP13,435
Households5,729This ZIP5,729
Housing units6,444This ZIP6,444
Median age42.2This ZIP42.2Ohio39.7US 38.9
Median household income$42,104This ZIP$42,104Ohio$71,389US $80,734
Median home value$107,300This ZIP$107,300Ohio$214,800US $332,700
Median gross rent$872This ZIP$872Ohio$1,034US $1,413
Bachelor's degree or higher14.3%This ZIP14.3%
Mean commute20.2 minThis ZIP20.2 min
Population density1,099.2 / sq miThis ZIP1,099.2 / sq mi

Business and tax activity

Business establishments134This ZIP134
Employees1,977This ZIP1,977
Annual payroll$85,984,000This ZIP$85,984,000
Tax returns filed5,600This ZIP5,600
Total adjusted gross income$244,391,000This ZIP$244,391,000

Land area

Land area12.22 sq miThis ZIP12.22 sq mi
Water area0.05 sq miThis ZIP0.05 sq mi

Other place names in 45506

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

ZIP codes near 45506

ZIPCityDistance
45501 Springfield, OH 2.0 mi
45504 Springfield, OH 3.1 mi
45505 Springfield, OH 4.2 mi
45503 Springfield, OH 5.4 mi
45319 Donnelsville, OH 5.7 mi
45323 Enon, OH 6.2 mi
45502 Springfield, OH 7.3 mi
45372 Tremont City, OH 7.3 mi
45316 Clifton, OH 7.7 mi
45349 North Hampton, OH 7.9 mi

Find every ZIP code within 10 miles of 45506 →

Questions about this ZIP code

Where is ZIP code 45506?

45506 is in Springfield, Ohio, in Clark County, part of the Springfield, OH metropolitan area. Its published point location is 39.9080, -83.8367.

What county is 45506 in?

45506 lies in Clark County.

What area code is 45506?

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

What time zone is 45506 in?

45506 uses America/New_York.

How many people live in 45506?

About 13,435 people live in ZIP code 45506, in 5,729 households, at 1,099.2 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 45506?

$42,104 a year, against $71,389 across Ohio.

What ZIP codes are near 45506?

The closest are 45501 (2 mi), 45504 (3.1 mi), 45505 (4.2 mi), 45503 (5.4 mi) and 45319 (5.7 mi).

Is 45506 a PO Box ZIP code?

45506 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “45506 ZIP Code — Springfield, Ohio (Clark County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/45506

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