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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/59033

59033

ZIP 59033 is Greycliff, Montana, in Sweet Grass County; area code 406; Mountain time.

Type
Standard
Time zone
America/Denver
County
Sweet Grass
Metro area
none
Population
231
Coordinates
45.7242, -109.7352
☼ Live from 59033 — Greycliff, MT

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Local time: —

Where 59033 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 59033
  • 🔢 Type 59033 into a pocket calculator and turn it upside down: EEOGS — not quite a word, sorry.
  • ➕ As a number, 59,033 = 13 × 19 × 239. Its digits add up to 20, a total 2,586 other ZIP codes share.
  • 💾In binary, the way a computer stores it: 1110011010011001
  • 🏠 Its numerical neighbours: 59032 (Grass Range, MT, 102 mi away) and 59034 (Hardin, MT, 94 mi away).
  • 🔄 Backwards, 59033 becomes 33095, which is not a ZIP code at all.
  • 👥 24 other ZIP codes are made of exactly the same digits (03593, 09353, 30359, 30539, 33509, 33905, …). The farthest-flung twin is 09353 in APO AE, a military post office, 4,850 miles away.
  • 🧭 Farther north than 93% of all ZIP codes, and farther west than 85%.
  • 🎯696 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
  • 🌏 Dig straight through the Earth from 59033 and you would come out at 45.72°S, 70.26°E — 250 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
  • ☀Longest day of the year: 15h 43m of daylight. Shortest: 8h 40m.
  • 📏 At 35.4 square miles of land, 59033 is bigger than 50% of ZIP codes — room for about 27 Central Parks.
🌙 The sky over 59033 today
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🌋 Shake report
  • Checking the USGS…

Source: USGS.

People and housing

Population231This ZIP231
Households85This ZIP85
Housing units85This ZIP85
Median age30.8This ZIP30.8Montana40.4US 38.9
Median household income$71,635This ZIP$71,635Montana$72,509US $80,734
Bachelor's degree or higher13.2%This ZIP13.2%
Mean commute32.0 minThis ZIP32.0 min
Population density6.5 / sq miThis ZIP6.5 / sq mi

Land area

Land area35.36 sq miThis ZIP35.36 sq mi
Water area0.59 sq miThis ZIP0.59 sq mi

Other place names in 59033

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

ZIP codes near 59033

ZIPCityDistance
59069 Reed Point, MT 7.4 mi
59001 Absarokee, MT 16.4 mi
59011 Big Timber, MT 17.3 mi
59061 Nye, MT 21.5 mi
59019 Columbus, MT 24.8 mi
59052 Mc Leod, MT 26.7 mi
59055 Melville, MT 26.8 mi
59082 Springdale, MT 28.1 mi
59028 Fishtail, MT 29.1 mi
59067 Rapelje, MT 29.9 mi

Find every ZIP code within 10 miles of 59033 →

Questions about this ZIP code

Where is ZIP code 59033?

59033 is in Greycliff, Montana, in Sweet Grass County. Its published point location is 45.7242, -109.7352.

What county is 59033 in?

59033 lies in Sweet Grass County.

What area code is 59033?

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

What time zone is 59033 in?

59033 uses America/Denver.

How many people live in 59033?

About 231 people live in ZIP code 59033, in 85 households, at 6.5 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 59033?

$71,635 a year, against $72,509 across Montana.

What ZIP codes are near 59033?

The closest are 59069 (7.4 mi), 59001 (16.4 mi), 59011 (17.3 mi), 59061 (21.5 mi) and 59019 (24.8 mi).

Is 59033 a PO Box ZIP code?

59033 is a standard ZIP code. A normal ZIP code with street delivery.

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Cite this page

zipcodes.pro. “59033 ZIP Code — Greycliff, Montana (Sweet Grass County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/59033

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