Weather right now
Asking the National Weather Service…
Where 73440 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 73440 into a pocket calculator and turn it upside down: OhhEL — not quite a word, sorry.
- ➕ As a number, 73,440 = 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 17. Its digits add up to 18, a total 2,332 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001111011100000 - 🏠 Its numerical neighbours: 73439 (Kingston, OK, 8 mi away) and 73441 (Leon, OK, 32 mi away).
- 🔄 Backwards, 73440 becomes 04437, which is not a ZIP code at all.
- 👥 39 other ZIP codes are made of exactly the same digits (03447, 04347, 04473, 04734, 04743, 30447, …). The farthest-flung twin is 04734 in Blaine, ME, 1,742 miles away.
- 🧭 Farther south than 79% of all ZIP codes, and farther west than 74%.
- 🎯416 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 73440 and you would come out at 33.96°S, 83.11°E — 1,250 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 25m of daylight. Shortest: 9h 53m.
- 📏 At 7.8 square miles of land, 73440 is bigger than 24% of ZIP codes — room for about 5.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 218This ZIP218 |
|---|---|
| Households | 78This ZIP78 |
| Housing units | 107This ZIP107 |
| Median age | 37.5This ZIP37.5Oklahoma37.0US 38.9 |
| Median household income | $64,038This ZIP$64,038Oklahoma$65,039US $80,734 |
| Median home value | $116,700This ZIP$116,700Oklahoma$199,800US $332,700 |
| Bachelor's degree or higher | 43.9%This ZIP43.9% |
| Mean commute | 18.1 minThis ZIP18.1 min |
| Population density | 27.9 / sq miThis ZIP27.9 / sq mi |
Business and tax activity
| Business establishments | 3This ZIP3 |
|---|---|
| Employees | 10This ZIP10 |
| Annual payroll | $217,000This ZIP$217,000 |
| Tax returns filed | 140This ZIP140 |
| Total adjusted gross income | $6,963,000This ZIP$6,963,000 |
Land area
| Land area | 7.81 sq miThis ZIP7.81 sq mi |
|---|---|
| Water area | 5.43 sq miThis ZIP5.43 sq mi |
Other place names in 73440
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 73440
| ZIP | City | Distance |
|---|---|---|
73439 | Kingston, OK | 8.5 mi |
76245 | Gordonville, TX | 9.6 mi |
73446 | Madill, OK | 10.9 mi |
73448 | Marietta, OK | 12.5 mi |
75076 | Pottsboro, TX | 14.5 mi |
76264 | Sadler, TX | 15.0 mi |
76273 | Whitesboro, TX | 15.3 mi |
74731 | Cartwright, OK | 19.0 mi |
73459 | Thackerville, OK | 19.4 mi |
73447 | Mannsville, OK | 19.8 mi |
Find every ZIP code within 10 miles of 73440 →
Questions about this ZIP code
Where is ZIP code 73440?
73440 is in Lebanon, Oklahoma, in Marshall County. Its published point location is 33.9617, -96.8894.
What county is 73440 in?
73440 lies in Marshall County.
What area code is 73440?
Lebanon uses area code 580, from NANPA's telephone records.
What time zone is 73440 in?
73440 uses America/Chicago.
How many people live in 73440?
About 218 people live in ZIP code 73440, in 78 households, at 27.9 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 73440?
$64,038 a year, against $65,039 across Oklahoma.
What ZIP codes are near 73440?
The closest are 73439 (8.5 mi), 76245 (9.6 mi), 73446 (10.9 mi), 73448 (12.5 mi) and 75076 (14.5 mi).
Is 73440 a PO Box ZIP code?
73440 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “73440 ZIP Code — Lebanon, Oklahoma (Marshall County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73440
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/73440.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.