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/53187

53187

ZIP 53187 is in Waukesha, Wisconsin, in Waukesha County; area code 262; Central time. Waukesha has 4 ZIP codes; the others are 53186, 53188 and 53189.

Type
No street area
Time zone
America/Chicago
County
Waukesha
Coordinates
43.0117, -88.2315

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 53186, whose figures describe that area — not this ZIP code.

☼ Live from 53187 — Waukesha, WI

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Where 53187 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 53187
  • 🔢 Type 53187 into a pocket calculator and turn it upside down: LBIES — not quite a word, sorry.
  • ➕ As a number, 53,187 = 3 × 17729. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1100111111000011
  • 🏠 Its numerical neighbours: 53186 (Waukesha, WI, 2 mi away) and 53188 (Waukesha, WI, 3 mi away).
  • 🔄 Backwards, 53187 becomes 78135 — and that is a real ZIP code: New Braunfels, TX, 1,070 miles away.
  • 👥 47 other ZIP codes are made of exactly the same digits (13758, 15378, 15738, 15783, 17358, 17538, …). The farthest-flung twin is 85371 in Poston, AZ, 1,538 miles away.
  • 🧭 Farther north than 83% of all ZIP codes, and farther west than 51%.
  • 🎯579 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 53187 and you would come out at 43.01°S, 91.77°E — 1,115 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 22m of daylight. Shortest: 9h 00m.
🌙 The sky over 53187 today
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🌋 Shake report
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Source: USGS.

Business and tax activity

Business establishments35This ZIP35
Employees653This ZIP653
Annual payroll$95,521,000This ZIP$95,521,000

Land area

ZIP codes near 53187

ZIPCityDistance
53186 Waukesha, WI 1.5 mi
53188 Waukesha, WI 3.2 mi
53146 New Berlin, WI 4.7 mi
53072 Pewaukee, WI 5.0 mi
53045 Brookfield, WI 5.2 mi
53189 Waukesha, WI 5.6 mi
53183 Wales, WI 7.0 mi
53008 Brookfield, WI 7.2 mi
53151 New Berlin, WI 7.3 mi
53005 Brookfield, WI 7.6 mi

Find every ZIP code within 10 miles of 53187 →

Questions about this ZIP code

Where is ZIP code 53187?

53187 is in Waukesha, Wisconsin, in Waukesha County, part of the Milwaukee-Waukesha, WI metropolitan area. Its published point location is 43.0117, -88.2315.

What county is 53187 in?

53187 lies in Waukesha County.

What area code is 53187?

Waukesha uses area code 262, from NANPA's telephone records.

What time zone is 53187 in?

53187 uses America/Chicago.

What ZIP codes are near 53187?

The closest are 53186 (1.5 mi), 53188 (3.2 mi), 53146 (4.7 mi), 53072 (5 mi) and 53045 (5.2 mi).

Is 53187 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.

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Cite this page

zipcodes.pro. “53187 ZIP Code — Waukesha, Wisconsin (Waukesha County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/53187

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/53187.json

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