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/58566

58566

ZIP 58566 is Saint Anthony, North Dakota, in Morton County; area code 701; Central time.

Type
Standard
Time zone
America/North_Dakota/New_Salem
County
Morton
Metro area
Bismarck, ND
Population
272
Coordinates
46.5784, -100.9067
☼ Live from 58566 — Saint Anthony, ND

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 58566 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 58566
  • 🔢 Type 58566 into a pocket calculator and turn it upside down: ggSBS — not quite a word, sorry.
  • ➕ As a number, 58,566 = 2 × 3 × 43 × 227. Its digits add up to 30, a total 1,024 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110010011000110
  • 🏠 Its numerical neighbours: 58565 (Riverdale, ND, 67 mi away) and 58568 (Selfridge, ND, 33 mi away).
  • 🔄 Backwards, 58566 becomes 66585, which is not a ZIP code at all.
  • 👥 11 other ZIP codes are made of exactly the same digits (56568, 56586, 56658, 56685, 58656, 65586, …). The farthest-flung twin is 86556 in Tsaile, AZ, 834 miles away.
  • 🧭 Farther north than 95% of all ZIP codes, and farther west than 80%.
  • 🎯481 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 58566 and you would come out at 46.58°S, 79.09°E — 453 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 50m of daylight. Shortest: 8h 34m.
  • 📏 At 101.3 square miles of land, 58566 is bigger than 78% of ZIP codes — room for about 77 Central Parks.
🌙 The sky over 58566 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population272This ZIP272
Households106This ZIP106
Housing units112This ZIP112
Median age31.4This ZIP31.4North Dakota35.9US 38.9
Median household income$52,097This ZIP$52,097North Dakota$76,657US $80,734
Median home value$310,000This ZIP$310,000North Dakota$249,900US $332,700
Bachelor's degree or higher22.9%This ZIP22.9%
Mean commute33.8 minThis ZIP33.8 min
Population density2.7 / sq miThis ZIP2.7 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees11This ZIP11
Annual payroll$683,000This ZIP$683,000

Land area

Land area101.31 sq miThis ZIP101.31 sq mi
Water area0.00 sq mi

ZIP codes near 58566

ZIPCityDistance
58554 Mandan, ND 12.4 mi
58570 Solen, ND 14.1 mi
58504 Bismarck, ND 15.7 mi
58506 Bismarck, ND 16.9 mi
58507 Bismarck, ND 16.9 mi
58535 Flasher, ND 17.6 mi
58505 Bismarck, ND 17.7 mi
58501 Bismarck, ND 19.1 mi
58528 Cannon Ball, ND 23.0 mi
58503 Bismarck, ND 23.8 mi

Find every ZIP code within 10 miles of 58566 →

Questions about this ZIP code

Where is ZIP code 58566?

58566 is in Saint Anthony, North Dakota, in Morton County, part of the Bismarck, ND metropolitan area. Its published point location is 46.5784, -100.9067.

What county is 58566 in?

58566 lies in Morton County.

What area code is 58566?

Saint Anthony uses area code 701, from NANPA's telephone records.

What time zone is 58566 in?

58566 uses America/North_Dakota/New_Salem.

How many people live in 58566?

About 272 people live in ZIP code 58566, in 106 households, at 2.7 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 58566?

$52,097 a year, against $76,657 across North Dakota.

What ZIP codes are near 58566?

The closest are 58554 (12.4 mi), 58570 (14.1 mi), 58504 (15.7 mi), 58506 (16.9 mi) and 58507 (16.9 mi).

Is 58566 a PO Box ZIP code?

58566 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “58566 ZIP Code — Saint Anthony, North Dakota (Morton County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/58566

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/58566.json

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