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Where 73520 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 73520 into a pocket calculator and turn it upside down: OZSEL — not quite a word, sorry.
- ➕ As a number, 73,520 = 2 × 2 × 2 × 2 × 5 × 919. Its digits add up to 17, a total 2,133 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001111100110000 - 🏠 Its numerical neighbours: 73507 (Lawton, OK, 43 mi away) and 73521 (Altus, OK, 80 mi away).
- 🔄 Backwards, 73520 becomes 02537 — and that is a real ZIP code: East Sandwich, MA, 1,578 miles away.
- 👥 65 other ZIP codes are made of exactly the same digits (02357, 02375, 02537, 03257, 03275, 03752, …). The farthest-flung twin is 02537 in East Sandwich, MA, 1,578 miles away.
- 🧭 Farther south than 77% of all ZIP codes, and farther west than 77%.
- 🎯386 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 73520 and you would come out at 34.27°S, 82.02°E — 1,203 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 27m of daylight. Shortest: 9h 52m.
- 📏 At 5.1 square miles of land, 73520 is bigger than 19% of ZIP codes — room for about 3.9 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 91This ZIP91 |
|---|---|
| Households | 40This ZIP40 |
| Housing units | 48This ZIP48 |
| Median age | 52.1This ZIP52.1Oklahoma37.0US 38.9 |
| Median household income | $40,000This ZIP$40,000Oklahoma$65,039US $80,734 |
| Median home value | $81,700This ZIP$81,700Oklahoma$199,800US $332,700 |
| Median gross rent | $525This ZIP$525Oklahoma$1,014US $1,413 |
| Bachelor's degree or higher | 11.4%This ZIP11.4% |
| Mean commute | 65.6 minThis ZIP65.6 min |
| Population density | 17.8 / sq miThis ZIP17.8 / sq mi |
Land area
| Land area | 5.11 sq miThis ZIP5.11 sq mi |
|---|---|
| Water area | 0.02 sq miThis ZIP0.02 sq mi |
Other place names in 73520
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 73520
| ZIP | City | Distance |
|---|---|---|
73529 | Comanche, OK | 5.0 mi |
73573 | Waurika, OK | 8.7 mi |
73548 | Hastings, OK | 9.7 mi |
73568 | Temple, OK | 13.8 mi |
73536 | Duncan, OK | 16.6 mi |
73442 | Loco, OK | 16.9 mi |
73534 | Duncan, OK | 17.3 mi |
73533 | Duncan, OK | 17.5 mi |
76357 | Byers, TX | 17.7 mi |
73565 | Ryan, OK | 17.8 mi |
Find every ZIP code within 10 miles of 73520 →
Questions about this ZIP code
Where is ZIP code 73520?
73520 is in Addington, Oklahoma, in Jefferson County. Its published point location is 34.2687, -97.9772.
What county is 73520 in?
73520 lies in Jefferson County.
What area code is 73520?
Addington uses area code 580, from NANPA's telephone records.
What time zone is 73520 in?
73520 uses America/Chicago.
How many people live in 73520?
About 91 people live in ZIP code 73520, in 40 households, at 17.8 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 73520?
$40,000 a year, against $65,039 across Oklahoma.
What ZIP codes are near 73520?
The closest are 73529 (5 mi), 73573 (8.7 mi), 73548 (9.7 mi), 73568 (13.8 mi) and 73536 (16.6 mi).
Is 73520 a PO Box ZIP code?
73520 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “73520 ZIP Code — Addington, Oklahoma (Jefferson County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73520
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/73520.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.