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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/54450

54450

ZIP 54450 is Mattoon, Wisconsin, in Shawano County; area codes 534 and 715; Central time.

Type
Standard
Time zone
America/Chicago
County
Shawano
Metro area
Shawano, WI
Population
457
Coordinates
45.0036, -89.0418
☼ Live from 54450 — Mattoon, WI

Weather right now

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Local time: —

Where 54450 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 54450
  • 🔢 Type 54450 into a pocket calculator and turn it upside down: OShhS — not quite a word, sorry.
  • ➕ As a number, 54,450 = 2 × 3 × 3 × 5 × 5 × 11 × 11. Its digits add up to 18, a total 2,332 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101010010110010
  • 🏠 Its numerical neighbours: 54449 (Marshfield, WI, 62 mi away) and 54451 (Medford, WI, 68 mi away).
  • 🔄 Backwards, 54450 becomes 05445 — and that is a real ZIP code: Charlotte, VT, 777 miles away.
  • 👥 17 other ZIP codes are made of exactly the same digits (04455, 04554, 05445, 05454, 05544, 44055, …). The farthest-flung twin is 04455 in Lee, ME, 1,010 miles away.
  • 🧭 Farther north than 91% of all ZIP codes, and farther west than 53%.
  • 🎯603 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54450 and you would come out at 45.00°S, 90.96°E — 1,016 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 37m of daylight. Shortest: 8h 46m.
  • 📏 At 1.5 square miles of land, 54450 is bigger than 10% of ZIP codes — room for about 1.1 Central Parks.
🌙 The sky over 54450 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population457This ZIP457
Households168This ZIP168
Housing units204This ZIP204
Median age43.5This ZIP43.5Wisconsin40.2US 38.9
Median household income$68,750This ZIP$68,750Wisconsin$77,485US $80,734
Median home value$86,700This ZIP$86,700Wisconsin$266,500US $332,700
Median gross rent$960This ZIP$960Wisconsin$1,087US $1,413
Bachelor's degree or higher7.5%This ZIP7.5%
Mean commute20.7 minThis ZIP20.7 min
Population density315.2 / sq miThis ZIP315.2 / sq mi

Business and tax activity

Business establishments7This ZIP7
Employees132This ZIP132
Annual payroll$3,329,000This ZIP$3,329,000

Land area

Land area1.45 sq miThis ZIP1.45 sq mi
Water area0.00 sq mi

Other place names in 54450

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

ZIP codes near 54450

ZIPCityDistance
54464 Phlox, WI 3.7 mi
54414 Birnamwood, WI 7.3 mi
54416 Bowler, WI 9.4 mi
54409 Antigo, WI 10.3 mi
54430 Elton, WI 11.9 mi
54150 Neopit, WI 12.6 mi
54408 Aniwa, WI 13.9 mi
54418 Bryant, WI 14.7 mi
54128 Gresham, WI 14.9 mi
54978 Tilleda, WI 15.8 mi

Find every ZIP code within 10 miles of 54450 →

Questions about this ZIP code

Where is ZIP code 54450?

54450 is in Mattoon, Wisconsin, in Shawano County, part of the Shawano, WI micropolitan area. Its published point location is 45.0036, -89.0418.

What county is 54450 in?

54450 lies in Shawano County.

What area code is 54450?

Mattoon uses area codes 534 and 715, from NANPA's telephone records.

What time zone is 54450 in?

54450 uses America/Chicago.

How many people live in 54450?

About 457 people live in ZIP code 54450, in 168 households, at 315.2 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 54450?

$68,750 a year, against $77,485 across Wisconsin.

What ZIP codes are near 54450?

The closest are 54464 (3.7 mi), 54414 (7.3 mi), 54416 (9.4 mi), 54409 (10.3 mi) and 54430 (11.9 mi).

Is 54450 a PO Box ZIP code?

54450 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “54450 ZIP Code — Mattoon, Wisconsin (Shawano County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54450

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