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/59643

59643

ZIP 59643 is Toston, Montana, in Broadwater County; area code 406; Mountain time.

Type
Standard
Time zone
America/Denver
County
Broadwater
Metro area
Helena, MT
Population
867
Coordinates
46.1347, -111.5799
☼ Live from 59643 — Toston, MT

Weather right now

Asking the National Weather Service…

NEXRAD radar
Finding the nearest radar…
Local time: —

Where 59643 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 59643
  • 🔢 Type 59643 into a pocket calculator and turn it upside down: EhgGS — not quite a word, sorry.
  • ➕ As a number, 59,643 = 3 × 3 × 3 × 47 × 47. Its digits add up to 27, a total 1,806 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110100011111011
  • 🏠 Its numerical neighbours: 59642 (Ringling, MT, 40 mi away) and 59644 (Townsend, MT, 21 mi away).
  • 🔄 Backwards, 59643 becomes 34695 — and that is a real ZIP code: Safety Harbor, FL, 2,007 miles away.
  • 👥 52 other ZIP codes are made of exactly the same digits (34695, 34956, 35469, 35649, 35964, 36549, …). The farthest-flung twin is 96534 in FPO AA, a military post office, 8,516 miles away.
  • 🧭 Farther north than 94% of all ZIP codes, and farther west than 86%.
  • 🎯787 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 59643 and you would come out at 46.13°S, 68.42°E — 237 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 46m of daylight. Shortest: 8h 37m.
  • 📏 At 274.1 square miles of land, 59643 is bigger than 94% of ZIP codes — room for about 208 Central Parks.
🌙 The sky over 59643 today
  • Working out the sun…
🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population867This ZIP867
Households321This ZIP321
Housing units336This ZIP336
Median age42.5This ZIP42.5Montana40.4US 38.9
Median household income$49,831This ZIP$49,831Montana$72,509US $80,734
Median home value$355,000This ZIP$355,000Montana$375,800US $332,700
Bachelor's degree or higher8.4%This ZIP8.4%
Mean commute32.7 minThis ZIP32.7 min
Population density3.2 / sq miThis ZIP3.2 / sq mi

Business and tax activity

Business establishments16This ZIP16
Employees127This ZIP127
Annual payroll$3,476,000This ZIP$3,476,000
Tax returns filed240This ZIP240
Total adjusted gross income$14,106,000This ZIP$14,106,000

Land area

Land area274.05 sq miThis ZIP274.05 sq mi
Water area2.01 sq miThis ZIP2.01 sq mi

Other place names in 59643

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

ZIP codes near 59643

ZIPCityDistance
59641 Radersburg, MT 5.6 mi
59752 Three Forks, MT 15.3 mi
59632 Boulder, MT 20.4 mi
59644 Townsend, MT 20.6 mi
59647 Winston, MT 22.9 mi
59721 Cardwell, MT 23.8 mi
59714 Belgrade, MT 24.1 mi
59760 Willow Creek, MT 26.2 mi
59638 Jefferson City, MT 26.4 mi
59741 Manhattan, MT 27.2 mi

Find every ZIP code within 10 miles of 59643 →

Questions about this ZIP code

Where is ZIP code 59643?

59643 is in Toston, Montana, in Broadwater County, part of the Helena, MT metropolitan area. Its published point location is 46.1347, -111.5799.

What county is 59643 in?

59643 lies in Broadwater County.

What area code is 59643?

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

What time zone is 59643 in?

59643 uses America/Denver.

How many people live in 59643?

About 867 people live in ZIP code 59643, in 321 households, at 3.2 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 59643?

$49,831 a year, against $72,509 across Montana.

What ZIP codes are near 59643?

The closest are 59641 (5.6 mi), 59752 (15.3 mi), 59632 (20.4 mi), 59644 (20.6 mi) and 59647 (22.9 mi).

Is 59643 a PO Box ZIP code?

59643 is a standard ZIP code. A normal ZIP code with street delivery.

Download or cite

Cite this page

zipcodes.pro. “59643 ZIP Code — Toston, Montana (Broadwater County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/59643

Machine-readable version of these facts:

curl https://zipcodes.pro/zip/59643.json

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