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Where 51639 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 51639 into a pocket calculator and turn it upside down: GEgIS — not quite a word, sorry.
- ➕ As a number, 51,639 = 3 × 7 × 2459. Its digits add up to 24, a total 2,425 other ZIP codes share.
- 💾In binary, the way a computer stores it:
1100100110110111 - 🏠 Its numerical neighbours: 51638 (Essex, IA, 13 mi away) and 51640 (Hamburg, IA, 12 mi away).
- 🔄 Backwards, 51639 becomes 93615 — and that is a real ZIP code: Cutler, CA, 1,314 miles away.
- 👥 44 other ZIP codes are made of exactly the same digits (13659, 13695, 15639, 15693, 15936, 15963, …). The farthest-flung twin is 96531 in FPO AA, a military post office, 8,144 miles away.
- 🧭 Farther north than 63% of all ZIP codes, and farther west than 70%.
- 🎯175 miles east of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 51639 and you would come out at 40.72°S, 84.53°E — 916 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 15h 06m of daylight. Shortest: 9h 15m.
- 📏 At 68.3 square miles of land, 51639 is bigger than 68% of ZIP codes — room for about 52 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 919This ZIP919 |
|---|---|
| Households | 401This ZIP401 |
| Housing units | 427This ZIP427 |
| Median age | 40.8This ZIP40.8Iowa38.6US 38.9 |
| Median household income | $84,688This ZIP$84,688Iowa$75,059US $80,734 |
| Median home value | $157,300This ZIP$157,300Iowa$208,000US $332,700 |
| Median gross rent | $725This ZIP$725Iowa$972US $1,413 |
| Bachelor's degree or higher | 19.0%This ZIP19.0% |
| Mean commute | 20.3 minThis ZIP20.3 min |
| Population density | 13.5 / sq miThis ZIP13.5 / sq mi |
Business and tax activity
| Business establishments | 21This ZIP21 |
|---|---|
| Employees | 66This ZIP66 |
| Annual payroll | $4,070,000This ZIP$4,070,000 |
| Tax returns filed | 390This ZIP390 |
| Total adjusted gross income | $30,772,000This ZIP$30,772,000 |
Land area
| Land area | 68.30 sq miThis ZIP68.30 sq mi |
|---|---|
| Water area | 0.04 sq miThis ZIP0.04 sq mi |
Other place names in 51639
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 51639
| ZIP | City | Distance |
|---|---|---|
51650 | Riverton, IA | 5.3 mi |
51603 | Shenandoah, IA | 5.9 mi |
51601 | Shenandoah, IA | 6.3 mi |
51652 | Sidney, IA | 9.0 mi |
51649 | Randolph, IA | 9.5 mi |
51647 | Northboro, IA | 10.2 mi |
51645 | Imogene, IA | 11.4 mi |
51640 | Hamburg, IA | 12.1 mi |
51636 | Coin, IA | 12.7 mi |
51638 | Essex, IA | 13.2 mi |
Find every ZIP code within 10 miles of 51639 →
Questions about this ZIP code
Where is ZIP code 51639?
51639 is in Farragut, Iowa, in Fremont County. Its published point location is 40.7201, -95.4665.
What county is 51639 in?
51639 lies in Fremont County.
What area code is 51639?
Farragut uses area code 712, from NANPA's telephone records.
What time zone is 51639 in?
51639 uses America/Chicago.
How many people live in 51639?
About 919 people live in ZIP code 51639, in 401 households, at 13.5 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 51639?
$84,688 a year, against $75,059 across Iowa.
What ZIP codes are near 51639?
The closest are 51650 (5.3 mi), 51603 (5.9 mi), 51601 (6.3 mi), 51652 (9 mi) and 51649 (9.5 mi).
Is 51639 a PO Box ZIP code?
51639 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “51639 ZIP Code — Farragut, Iowa (Fremont County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/51639
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/51639.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.