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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/59830

59830

ZIP 59830 is De Borgia, Montana, in Mineral County; area code 406; Mountain time.

Type
Standard
Time zone
America/Denver
County
Mineral
Metro area
Missoula, MT
Population
102
Coordinates
47.4346, -115.4572
☼ Live from 59830 — De Borgia, MT

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Local time: —

Where 59830 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 59830
  • 🔢 Type 59830 into a pocket calculator and turn it upside down: OEBGS — not quite a word, sorry.
  • ➕ As a number, 59,830 = 2 × 5 × 31 × 193. Its digits add up to 25, a total 2,242 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110100110110110
  • 🏠 Its numerical neighbours: 59829 (Darby, MT, 131 mi away) and 59831 (Dixon, MT, 52 mi away).
  • 🔄 Backwards, 59830 becomes 03895, which is not a ZIP code at all.
  • 👥 43 other ZIP codes are made of exactly the same digits (03589, 03598, 03859, 05839, 09358, 09835, …). The farthest-flung twin is 09853 in APO AE, a military post office, 7,332 miles away.
  • 🧭 Farther north than 96% of all ZIP codes, and farther west than 89%.
  • 🎯991 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 59830 and you would come out at 47.43°S, 64.54°E — 292 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 58m of daylight. Shortest: 8h 27m.
  • 📏 At 108.1 square miles of land, 59830 is bigger than 80% of ZIP codes — room for about 82 Central Parks.
🌙 The sky over 59830 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population102This ZIP102
Households48This ZIP48
Housing units68This ZIP68
Median age50.6This ZIP50.6Montana40.4US 38.9
Median home value$337,500This ZIP$337,500Montana$375,800US $332,700
Bachelor's degree or higher70.3%This ZIP70.3%
Population density0.9 / sq miThis ZIP0.9 / sq mi

Business and tax activity

Business establishments3This ZIP3
Employees9This ZIP9
Annual payroll$842,000This ZIP$842,000

Land area

Land area108.12 sq miThis ZIP108.12 sq mi
Water area0.02 sq miThis ZIP0.02 sq mi

Other place names in 59830

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

ZIP codes near 59830

ZIPCityDistance
59867 Saltese, MT 5.8 mi
59842 Haugan, MT 7.3 mi
83802 Avery, ID 13.2 mi
83846 Mullan, ID 13.4 mi
59866 Saint Regis, MT 17.0 mi
59873 Thompson Falls, MT 17.9 mi
83873 Wallace, ID 20.7 mi
83874 Murray, ID 21.7 mi
83867 Silverton, ID 23.4 mi
83849 Osburn, ID 26.0 mi

Find every ZIP code within 10 miles of 59830 →

Questions about this ZIP code

Where is ZIP code 59830?

59830 is in De Borgia, Montana, in Mineral County, part of the Missoula, MT metropolitan area. Its published point location is 47.4346, -115.4572.

What county is 59830 in?

59830 lies in Mineral County.

What area code is 59830?

De Borgia uses area code 406, from NANPA's telephone records.

What time zone is 59830 in?

59830 uses America/Denver.

How many people live in 59830?

About 102 people live in ZIP code 59830, in 48 households, at 0.9 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 59830?

The closest are 59867 (5.8 mi), 59842 (7.3 mi), 83802 (13.2 mi), 83846 (13.4 mi) and 59866 (17 mi).

Is 59830 a PO Box ZIP code?

59830 is a standard ZIP code. A normal ZIP code with street delivery.

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zipcodes.pro. “59830 ZIP Code — De Borgia, Montana (Mineral County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/59830

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