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/54957

54957

ZIP 54957 is in Neenah, Wisconsin, in Winnebago County; area codes 920 and 274; Central time. Neenah has 2 ZIP codes; the other is 54956.

Type
No street area
Time zone
America/Chicago
County
Winnebago
Metro area
Oshkosh-Neenah, WI
Coordinates
44.1858, -88.4626

The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

This ZIP code has no Census tabulation area of its own. Its point falls inside ZCTA 54956, whose figures describe that area — not this ZIP code.

☼ Live from 54957 — Neenah, WI

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 54957 is

This ZIP code has no Census tabulation area, so there is no boundary to draw — the marker is its published point location.

★ Weird and wonderful facts about 54957
  • 🔢 Type 54957 into a pocket calculator and turn it upside down: LSGhS — not quite a word, sorry.
  • ➕ As a number, 54,957 = 3 × 7 × 2617. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101011010101101
  • 🏠 Its numerical neighbours: 54956 (Neenah, WI, 3 mi away) and 54960 (Neshkoro, WI, 41 mi away).
  • 🔄 Backwards, 54957 becomes 75945, which is not a ZIP code at all.
  • 👥 22 other ZIP codes are made of exactly the same digits (47955, 49755, 54759, 55479, 55749, 55947, …). The farthest-flung twin is 95547 in Hydesville, CA, 1,820 miles away.
  • 🧭 Farther north than 88% of all ZIP codes, and farther west than 52%.
  • 🎯600 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 54957 and you would come out at 44.19°S, 91.54°E — 1,066 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 31m of daylight. Shortest: 8h 52m.
🌙 The sky over 54957 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Business and tax activity

Business establishments28This ZIP28
Employees2,989This ZIP2,989
Annual payroll$273,601,000This ZIP$273,601,000

Land area

ZIP codes near 54957

ZIPCityDistance
54956 Neenah, WI 3.2 mi
54914 Appleton, WI 5.9 mi
54952 Menasha, WI 6.2 mi
54915 Appleton, WI 6.4 mi
54911 Appleton, WI 7.8 mi
54985 Winnebago, WI 8.1 mi
54136 Kimberly, WI 8.4 mi
54942 Greenville, WI 8.8 mi
54169 Sherwood, WI 9.0 mi
54113 Combined Locks, WI 9.2 mi

Find every ZIP code within 10 miles of 54957 →

Questions about this ZIP code

Where is ZIP code 54957?

54957 is in Neenah, Wisconsin, in Winnebago County, part of the Oshkosh-Neenah, WI metropolitan area. Its published point location is 44.1858, -88.4626.

What county is 54957 in?

54957 lies in Winnebago County.

What area code is 54957?

Neenah uses area codes 920 and 274, from NANPA's telephone records.

What time zone is 54957 in?

54957 uses America/Chicago.

What ZIP codes are near 54957?

The closest are 54956 (3.2 mi), 54914 (5.9 mi), 54952 (6.2 mi), 54915 (6.4 mi) and 54911 (7.8 mi).

Is 54957 a PO Box ZIP code?

Possibly. The Census map gives this ZIP code no delivery area of its own, which usually means it serves post office boxes, a single organization or a post office rather than streets of homes.

Download or cite

Cite this page

zipcodes.pro. “54957 ZIP Code — Neenah, Wisconsin (Winnebago County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/54957

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/54957.json

Underlying data is public domain or openly licensed — sources, vintages and licences.