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/58803

58803

ZIP 58803 is in Williston, North Dakota, in Williams County; area code 701; Central time. Williston has 3 ZIP codes; the others are 58801 and 58802.

Type
No street area
Time zone
America/Chicago
County
Williams
Metro area
Williston, ND
Coordinates
48.1468, -103.6199

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 58801, whose figures describe that area — not this ZIP code.

☼ Live from 58803 — Williston, ND

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 58803 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 58803
  • 🔢 Type 58803 into a pocket calculator and turn it upside down: EOBBS — not quite a word, sorry.
  • ➕ As a number, 58,803 = 3 × 17 × 1153. Its digits add up to 24, a total 2,425 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110010110110011
  • 🏠 Its numerical neighbours: 58802 (Williston, ND, 2 mi away) and 58830 (Alamo, ND, 32 mi away).
  • 🔄 Backwards, 58803 becomes 30885, which is not a ZIP code at all.
  • 👥 26 other ZIP codes are made of exactly the same digits (03588, 03858, 03885, 05838, 08835, 08853, …). The farthest-flung twin is 03885 in Stratham, NH, 1,608 miles away.
  • 🧭 Farther north than 98% of all ZIP codes, and farther west than 82%.
  • 🎯627 miles north of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 58803 and you would come out at 48.15°S, 76.38°E — 293 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 16h 04m of daylight. Shortest: 8h 21m.
🌙 The sky over 58803 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

Land area

ZIP codes near 58803

ZIPCityDistance
58802 Williston, ND 1.5 mi
58853 Trenton, ND 7.7 mi
58801 Williston, ND 9.4 mi
58843 Epping, ND 12.7 mi
58831 Alexander, ND 20.3 mi
58849 Ray, ND 23.8 mi
59212 Bainville, MT 24.7 mi
58838 Cartwright, ND 29.1 mi
58835 Arnegard, ND 29.4 mi
59221 Fairview, MT 30.4 mi

Find every ZIP code within 10 miles of 58803 →

Questions about this ZIP code

Where is ZIP code 58803?

58803 is in Williston, North Dakota, in Williams County, part of the Williston, ND micropolitan area. Its published point location is 48.1468, -103.6199.

What county is 58803 in?

58803 lies in Williams County.

What area code is 58803?

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

What time zone is 58803 in?

58803 uses America/Chicago.

What ZIP codes are near 58803?

The closest are 58802 (1.5 mi), 58853 (7.7 mi), 58801 (9.4 mi), 58843 (12.7 mi) and 58831 (20.3 mi).

Is 58803 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. “58803 ZIP Code — Williston, North Dakota (Williams County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/58803

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/58803.json

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