73533
ZIP 73533 is in Duncan, Oklahoma, mostly in Stephens County; area code 580; Central time. Duncan has 3 ZIP codes; the others are 73534 and 73536.
- Type
- Standard
- Time zone
- America/Chicago
- County
- Stephens +1 more
- Metro area
- Duncan, OK
- Population
- 27,618
- Coordinates
- 34.5050, -97.8667
Weather right now
Asking the National Weather Service…
Where 73533 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 73533 into a pocket calculator and turn it upside down: EESEL — not quite a word, sorry.
- ➕ As a number, 73,533 = 3 × 127 × 193. Its digits add up to 21, a total 2,594 other ZIP codes share.
- 💾In binary, the way a computer stores it:
10001111100111101 - 🏠 Its numerical neighbours: 73532 (Duke, OK, 98 mi away) and 73534 (Duncan, OK, 6 mi away).
- 🔄 Backwards, 73533 becomes 33537 — and that is a real ZIP code: Lacoochee, FL, 1,013 miles away.
- 👥 4 other ZIP codes are made of exactly the same digits (33537, 33573, 37335, 37353). The farthest-flung twin is 33573 in Sun City Center, FL, 1,028 miles away.
- 🧭 Farther south than 76% of all ZIP codes, and farther west than 77%.
- 🎯370 miles south of the geographic center of the Lower 48, near Lebanon, Kansas.
- 🌏 Dig straight through the Earth from 73533 and you would come out at 34.50°S, 82.13°E — 1,191 miles from Port-aux-Français, French Southern Territories, the nearest big city to that spot.
- ☀Longest day of the year: 14h 28m of daylight. Shortest: 9h 50m.
- 📏 At 329.5 square miles of land, 73533 is bigger than 95% of ZIP codes — room for about 250 Central Parks.
- Working out the sun…
- Checking the USGS…
Source: USGS.
People and housing
| Population | 27,618This ZIP27,618 |
|---|---|
| Households | 11,292This ZIP11,292 |
| Housing units | 12,997This ZIP12,997 |
| Median age | 40.6This ZIP40.6Oklahoma37.0US 38.9 |
| Median household income | $59,906This ZIP$59,906Oklahoma$65,039US $80,734 |
| Median home value | $144,500This ZIP$144,500Oklahoma$199,800US $332,700 |
| Median gross rent | $892This ZIP$892Oklahoma$1,014US $1,413 |
| Bachelor's degree or higher | 20.5%This ZIP20.5% |
| Mean commute | 22.6 minThis ZIP22.6 min |
| Population density | 83.8 / sq miThis ZIP83.8 / sq mi |
Business and tax activity
| Business establishments | 735This ZIP735 |
|---|---|
| Employees | 9,913This ZIP9,913 |
| Annual payroll | $449,733,000This ZIP$449,733,000 |
| Tax returns filed | 11,080This ZIP11,080 |
| Total adjusted gross income | $714,263,000This ZIP$714,263,000 |
Land area
| Land area | 329.54 sq miThis ZIP329.54 sq mi |
|---|---|
| Water area | 4.26 sq miThis ZIP4.26 sq mi |
Counties 73533 spans
A ZIP code is a mail route and ignores county lines. Shares are by overlapping land area.
| County | Share of this ZIP |
|---|---|
| Stephens County | 99.7% |
| Cotton County | 0.3% |
Other place names in 73533
Census places whose land this ZIP code overlaps. The Postal Service may accept other city names in an address, too.
ZIP codes near 73533
| ZIP | City | Distance |
|---|---|---|
73536 | Duncan, OK | 1.6 mi |
73534 | Duncan, OK | 6.1 mi |
73055 | Marlow, OK | 10.2 mi |
73491 | Velma, OK | 12.1 mi |
73529 | Comanche, OK | 12.6 mi |
73442 | Loco, OK | 16.1 mi |
73425 | Countyline, OK | 17.1 mi |
73520 | Addington, OK | 17.5 mi |
73488 | Tussy, OK | 17.8 mi |
73434 | Foster, OK | 18.2 mi |
Find every ZIP code within 10 miles of 73533 →
Questions about this ZIP code
Where is ZIP code 73533?
73533 is in Duncan, Oklahoma, in Stephens County, part of the Duncan, OK micropolitan area. Its published point location is 34.5050, -97.8667.
What county is 73533 in?
73533 spans 2 counties: Stephens County and Cotton County. Most of it falls in Stephens 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 73533?
Duncan uses area code 580, from NANPA's telephone records.
What time zone is 73533 in?
73533 uses America/Chicago.
How many people live in 73533?
About 27,618 people live in ZIP code 73533, in 11,292 households, at 83.8 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 73533?
$59,906 a year, against $65,039 across Oklahoma.
What ZIP codes are near 73533?
The closest are 73536 (1.6 mi), 73534 (6.1 mi), 73055 (10.2 mi), 73491 (12.1 mi) and 73529 (12.6 mi).
Is 73533 a PO Box ZIP code?
73533 is a standard ZIP code. A normal ZIP code with street delivery.
Download or cite
Cite this page
zipcodes.pro. “73533 ZIP Code — Duncan, Oklahoma (Stephens County).” Data release 2026-10-12. Retrieved 2026-10-20. https://zipcodes.pro/zip/73533
Machine-readable version of these facts:
curl https://zipcodes.pro/zip/73533.jsonUnderlying data is public domain or openly licensed — sources, vintages and licences.