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/58505

58505

ZIP 58505 is in Bismarck, North Dakota, in Burleigh County; area code 701; Central time. Bismarck has 7 ZIP codes in all.

Type
Standard
Time zone
America/Chicago
County
Burleigh
Metro area
Bismarck, ND
Population
22
Coordinates
46.8203, -100.7811
☼ Live from 58505 — Bismarck, ND

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 58505 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 58505
  • 🔢 Type 58505 into a pocket calculator and turn it upside down: SOSBS — not quite a word, sorry.
  • ➕ As a number, 58,505 = 5 × 11701. Its digits add up to 23, a total 2,533 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110010010001001
  • 🏠 Its numerical neighbours: 58504 (Bismarck, ND, 7 mi away) and 58506 (Bismarck, ND, 1 mi away).
  • 🔄 Backwards, 58505 becomes 50585 — and that is a real ZIP code: Sioux Rapids, IA, 386 miles away.
  • 👥 7 other ZIP codes are made of exactly the same digits (05855, 08555, 50558, 50585, 55085, 55805, …). The farthest-flung twin is 08555 in Roosevelt, NJ, 1,387 miles away.
  • 🧭 Farther north than 95% of all ZIP codes, and farther west than 80%.
  • 🎯496 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 58505 and you would come out at 46.82°S, 79.22°E — 450 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 52m of daylight. Shortest: 8h 32m.
  • 📏 At 0.214 square miles of land, 58505 is bigger than 3% of ZIP codes — about 104 football fields.
🌙 The sky over 58505 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population22This ZIP22
Households10This ZIP10
Housing units10This ZIP10
Bachelor's degree or higher0.0%
Population density102.8 / sq miThis ZIP102.8 / sq mi

Business and tax activity

Business establishments7This ZIP7
Employees87This ZIP87
Annual payroll$10,056,000This ZIP$10,056,000

Land area

Land area0.21 sq miThis ZIP0.21 sq mi
Water area0.00 sq mi

Other place names in 58505

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

ZIP codes near 58505

ZIPCityDistance
58506 Bismarck, ND 0.8 mi
58507 Bismarck, ND 0.8 mi
58501 Bismarck, ND 3.9 mi
58503 Bismarck, ND 6.1 mi
58502 Bismarck, ND 6.7 mi
58504 Bismarck, ND 7.2 mi
58554 Mandan, ND 9.1 mi
58558 Menoken, ND 12.1 mi
58521 Baldwin, ND 15.2 mi
58566 Saint Anthony, ND 17.7 mi

Find every ZIP code within 10 miles of 58505 →

Questions about this ZIP code

Where is ZIP code 58505?

58505 is in Bismarck, North Dakota, in Burleigh County, part of the Bismarck, ND metropolitan area. Its published point location is 46.8203, -100.7811.

What county is 58505 in?

58505 lies in Burleigh County.

What area code is 58505?

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

What time zone is 58505 in?

58505 uses America/Chicago.

How many people live in 58505?

About 22 people live in ZIP code 58505, in 10 households, at 102.8 people per square mile. These are American Community Survey 5-year estimates for the ZIP Code Tabulation Area, not a headcount.

What ZIP codes are near 58505?

The closest are 58506 (0.8 mi), 58507 (0.8 mi), 58501 (3.9 mi), 58503 (6.1 mi) and 58502 (6.7 mi).

Is 58505 a PO Box ZIP code?

58505 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “58505 ZIP Code — Bismarck, North Dakota (Burleigh County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/58505

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/58505.json

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