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Where 73840 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 73840 into a pocket calculator and turn it upside down: OhBEL — not quite a word, sorry.
- ➕ As a number, 73,840 = 2 × 2 × 2 × 2 × 5 × 13 × 71. Its digits add up to 22, a total 2,607 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10010000001110000 - 🏠 Its numerical neighbours: 73838 (Chester, OK, 44 mi away) and 73841 (Fort Supply, OK, 10 mi away).
- 🔄 Backwards, 73840 becomes 04837, which is not a ZIP code at all.
- 👥 53 other ZIP codes are made of exactly the same digits (03748, 03784, 03847, 03874, 04738, 04783, …). The farthest-flung twin is 04783 in Stockholm, ME, 1,765 miles away.
- 🧭 Farther south than 67% of all ZIP codes, and farther west than 79%.
- 🎯244 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 73840 and you would come out at 36.40°S, 80.36°E — 1,029 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 39m of daylight. Shortest: 9h 40m.
- 📏 At 141.6 square miles of land, 73840 is bigger than 85% of ZIP codes — room for about 107 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 509This ZIP509 |
|---|---|
| Households | 219This ZIP219 |
| Housing units | 284This ZIP284 |
| Median age | 43.6This ZIP43.6Oklahoma37.0US 38.9 |
| Median household income | $71,932This ZIP$71,932Oklahoma$65,039US $80,734 |
| Median home value | $130,800This ZIP$130,800Oklahoma$199,800US $332,700 |
| Median gross rent | $640This ZIP$640Oklahoma$1,014US $1,413 |
| Bachelor's degree or higher | 17.0%This ZIP17.0% |
| Mean commute | 18.6 minThis ZIP18.6 min |
| Population density | 3.6 / sq miThis ZIP3.6 / sq mi |
Business and tax activity
| Business establishments | 15This ZIP15 |
|---|---|
| Employees | 51This ZIP51 |
| Annual payroll | $2,363,000This ZIP$2,363,000 |
| Tax returns filed | 260This ZIP260 |
| Total adjusted gross income | $14,098,000This ZIP$14,098,000 |
Land area
| Land area | 141.57 sq miThis ZIP141.57 sq mi |
|---|---|
| Water area | 0.02 sq miThis ZIP0.02 sq mi |
Counties 73840 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Ellis County | 74.4% |
| Woodward County | 25.6% |
Other place names in 73840
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 73840
| ZIP | City | Distance |
|---|---|---|
73841 | Fort Supply, OK | 10.1 mi |
73843 | Gage, OK | 10.4 mi |
73801 | Woodward, OK | 14.0 mi |
73851 | May, OK | 14.1 mi |
73857 | Sharon, OK | 19.5 mi |
73802 | Woodward, OK | 21.4 mi |
73858 | Shattuck, OK | 22.6 mi |
73832 | Arnett, OK | 24.5 mi |
73859 | Vici, OK | 27.0 mi |
73848 | Laverne, OK | 27.2 mi |
Find every ZIP code within 10 miles of 73840 →
Questions about this ZIP code
Where is ZIP code 73840?
73840 is in Fargo, Oklahoma, in Ellis County. Its published point location is 36.4024, -99.6431.
What county is 73840 in?
73840 spans 2 counties: Ellis County and Woodward County. Most of it falls in Ellis County, measured by overlapping land area — the county holding the most land in a ZIP code is not always the one holding the most residents.
What area code is 73840?
Fargo uses area code 580, from NANPA's telephone records.
What time zone is 73840 in?
73840 uses America/Chicago.
How many people live in 73840?
About 509 people live in ZIP code 73840, in 219 households, at 3.6 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 73840?
$71,932 a year, against $65,039 across Oklahoma.
What ZIP codes are near 73840?
The closest are 73841 (10.1 mi), 73843 (10.4 mi), 73801 (14 mi), 73851 (14.1 mi) and 73857 (19.5 mi).
Is 73840 a PO Box ZIP code?
73840 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “73840 ZIP Code — Fargo, Oklahoma (Ellis County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73840
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/73840.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.