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Where 59923 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.
- 🔢 Type 59923 into a pocket calculator and turn it upside down: EZGGS — not quite a word, sorry.
- ➕ As a number, 59,923 = 31 × 1933. Its digits add up to 28, a total 1,520 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1110101000010011 - 🏠 Its numerical neighbours: 59922 (Lakeside, MT, 54 mi away) and 59925 (Marion, MT, 27 mi away).
- 🔄 Backwards, 59923 becomes 32995, which is not a ZIP code at all.
- 👥 20 other ZIP codes are made of exactly the same digits (23959, 29395, 29593, 29935, 32959, 39529, …). The farthest-flung twin is 32959 in Sharpes, FL, 2,288 miles away.
- 🧭 Farther north than 98% of all ZIP codes, and farther west than 89%.
- 🎯1,012 miles northwest of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 59923 and you would come out at 48.27°S, 64.69°E — 262 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 16h 05m of daylight. Shortest: 8h 20m.
- 📏 At 1,412.5 square miles of land, 59923 is bigger than 99% of ZIP codes — room for about 1,072 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 10,450This ZIP10,450 |
|---|---|
| Households | 4,847This ZIP4,847 |
| Housing units | 5,343This ZIP5,343 |
| Median age | 54.4This ZIP54.4Montana40.4US 38.9 |
| Median household income | $44,980This ZIP$44,980Montana$72,509US $80,734 |
| Median home value | $272,000This ZIP$272,000Montana$375,800US $332,700 |
| Median gross rent | $665This ZIP$665Montana$1,081US $1,413 |
| Bachelor's degree or higher | 18.8%This ZIP18.8% |
| Mean commute | 12.0 minThis ZIP12.0 min |
| Population density | 7.4 / sq miThis ZIP7.4 / sq mi |
Business and tax activity
| Business establishments | 315This ZIP315 |
|---|---|
| Employees | 2,569This ZIP2,569 |
| Annual payroll | $98,822,000This ZIP$98,822,000 |
| Tax returns filed | 4,370This ZIP4,370 |
| Total adjusted gross income | $268,893,000This ZIP$268,893,000 |
Land area
| Land area | 1,412.52 sq miThis ZIP1,412.52 sq mi |
|---|---|
| Water area | 6.67 sq miThis ZIP6.67 sq mi |
Other place names in 59923
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 59923
| ZIP | City | Distance |
|---|---|---|
59853 | Noxon, MT | 27.1 mi |
59925 | Marion, MT | 27.1 mi |
59934 | Trego, MT | 30.7 mi |
59927 | Olney, MT | 34.0 mi |
59844 | Heron, MT | 34.4 mi |
59874 | Trout Creek, MT | 34.7 mi |
59935 | Troy, MT | 35.5 mi |
59920 | Kila, MT | 37.4 mi |
59937 | Whitefish, MT | 39.1 mi |
59933 | Stryker, MT | 39.8 mi |
Find every ZIP code within 10 miles of 59923 →
Questions about this ZIP code
Where is ZIP code 59923?
59923 is in Libby, Montana, in Lincoln County. Its published point location is 48.2706, -115.3132.
What county is 59923 in?
59923 lies in Lincoln County.
What area code is 59923?
Libby uses area code 406, from NANPA's telephone records.
What time zone is 59923 in?
59923 uses America/Denver.
How many people live in 59923?
About 10,450 people live in ZIP code 59923, in 4,847 households, at 7.4 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 59923?
$44,980 a year, against $72,509 across Montana.
What ZIP codes are near 59923?
The closest are 59853 (27.1 mi), 59925 (27.1 mi), 59934 (30.7 mi), 59927 (34 mi) and 59844 (34.4 mi).
Is 59923 a PO Box ZIP code?
59923 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “59923 ZIP Code — Libby, Montana (Lincoln County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/59923
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/59923.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.