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/55388

55388

ZIP 55388 is Watertown, Minnesota, mostly in Carver County; Central time.

Type
Standard
Time zone
America/Chicago
County
Carver +2 more
Population
5,893
Coordinates
44.9548, -93.8487
☼ Live from 55388 — Watertown, MN

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 55388 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 55388
  • 🔢 Type 55388 into a pocket calculator and turn it upside down: BBESS — not quite a word, sorry.
  • ➕ As a number, 55,388 = 2 × 2 × 61 × 227. Its digits add up to 29, a total 1,296 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1101100001011100
  • 🏠 Its numerical neighbours: 55387 (Waconia, MN, 7 mi away) and 55389 (Watkins, MN, 37 mi away).
  • 🔄 Backwards, 55388 becomes 88355 — and that is a real ZIP code: Ruidoso, NM, 1,019 miles away.
  • 👥 14 other ZIP codes are made of exactly the same digits (38558, 38585, 38855, 53588, 58385, 58538, …). The farthest-flung twin is 85358 in Wickenburg, AZ, 1,256 miles away.
  • 🧭 Farther north than 91% of all ZIP codes, and farther west than 66%.
  • 🎯428 miles northeast of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 55388 and you would come out at 44.95°S, 86.15°E — 806 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 37.6 square miles of land, 55388 is bigger than 52% of ZIP codes — room for about 29 Central Parks.
🌙 The sky over 55388 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population5,893This ZIP5,893
Households2,184This ZIP2,184
Housing units2,281This ZIP2,281
Median age34.7This ZIP34.7Minnesota38.8US 38.9
Median household income$99,375This ZIP$99,375Minnesota$89,062US $80,734
Median home value$356,900This ZIP$356,900Minnesota$329,300US $332,700
Median gross rent$953This ZIP$953Minnesota$1,280US $1,413
Bachelor's degree or higher23.6%This ZIP23.6%
Mean commute26.5 minThis ZIP26.5 min
Population density156.5 / sq miThis ZIP156.5 / sq mi

Business and tax activity

Business establishments154This ZIP154
Employees759This ZIP759
Annual payroll$36,915,000This ZIP$36,915,000
Tax returns filed2,980This ZIP2,980
Total adjusted gross income$256,405,000This ZIP$256,405,000

Land area

Land area37.65 sq miThis ZIP37.65 sq mi
Water area1.76 sq miThis ZIP1.76 sq mi

Counties 55388 spans

A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.

CountyShare of this ZIP
Carver County 79.4%
Wright County 15.5%
Hennepin County 5.1%

Other place names in 55388

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

ZIP codes near 55388

ZIPCityDistance
55360 Mayer, MN 4.4 mi
55328 Delano, MN 5.7 mi
55363 Montrose, MN 6.7 mi
55387 Waconia, MN 7.2 mi
55375 Saint Bonifacius, MN 7.3 mi
55367 New Germany, MN 7.5 mi
55359 Maple Plain, MN 8.4 mi
55364 Mound, MN 8.5 mi
55397 Young America, MN 10.1 mi
55390 Waverly, MN 10.1 mi

Find every ZIP code within 10 miles of 55388 →

Questions about this ZIP code

Where is ZIP code 55388?

55388 is in Watertown, Minnesota, in Carver County, part of the Minneapolis-St. Paul-Bloomington, MN-WI metropolitan area. Its published point location is 44.9548, -93.8487.

What county is 55388 in?

55388 spans 3 counties: Carver County, Wright County and Hennepin County. Most of it falls in Carver County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.

What time zone is 55388 in?

55388 uses America/Chicago.

How many people live in 55388?

About 5,893 people live in ZIP code 55388, in 2,184 households, at 156.5 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 55388?

$99,375 a year, against $89,062 across Minnesota.

What ZIP codes are near 55388?

The closest are 55360 (4.4 mi), 55328 (5.7 mi), 55363 (6.7 mi), 55387 (7.2 mi) and 55375 (7.3 mi).

Is 55388 a PO Box ZIP code?

55388 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “55388 ZIP Code — Watertown, Minnesota (Carver County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/55388

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/55388.json

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