ZIP Code 73531 — Devol, OK
73531 is a standard (street delivery) ZIP code serving Devol, Oklahoma, in Cotton County. To mail something here you only need these five digits — but the four-digit extension narrows delivery to a single point, and it is what USPS bulk postage discounts are priced on.
ZIP code 73531 at a glance
| ZIP code | 73531 |
|---|---|
| Primary city | Devol |
| State | Oklahoma (OK) |
| County | Cotton FIPS 40033 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 368 |
| Coordinates | 34.188450, -98.527030 |
How ZIP+4 works in 73531
The four digits after the hyphen encode a delivery segment inside 73531. In practice one segment usually means:
- One side of one block — odd numbers on a street between two cross streets
- A single large building, or one floor of it
- A group of PO boxes, sometimes a single box
- A single business that receives enough mail to warrant its own code
That is why 73531 has no single ZIP+4: two neighbors across the street from each other usually have different ones. Enter a street address above and we will return the exact nine-digit code along with the standardized USPS address format.
Nearby ZIP codes
Showing the closest twelve. See every ZIP code within 25 miles of 73531.
| ZIP | City | Distance |
|---|---|---|
| 73562 | Randlett, OK | 6.6 mi |
| 76354 | Burkburnett, TX | 8.4 mi |
| 73546 | Grandfield, OK | 11.9 mi |
| 73553 | Loveland, OK | 14 mi |
| 76311 | Sheppard Afb, TX | 14.9 mi |
| 76305 | Wichita Falls, TX | 15.2 mi |
| 73528 | Chattanooga, OK | 16.3 mi |
| 76306 | Wichita Falls, TX | 16.3 mi |
| 73572 | Walters, OK | 17.1 mi |
| 76367 | Iowa Park, TX | 18.4 mi |
| 73568 | Temple, OK | 18.5 mi |
| 73540 | Faxon, OK | 19.6 mi |
Questions about 73531
What is the ZIP+4 code for 73531?
73531 is the five-digit ZIP code. The ZIP+4 adds four more digits that identify a specific delivery point — usually one side of a city block, a single building, or a group of PO boxes. Because those four digits change from address to address within 73531, you need to look up a specific street address to get them.
What city is 73531?
73531 is assigned to Devol, Oklahoma, in Cotton County.
Do I need to use the ZIP+4?
It is optional for ordinary mail, but it speeds up sorting and it is required for most USPS bulk-mail postage discounts. Many address-verification and e-commerce systems also use ZIP+4 to confirm a delivery point exists.
Need thousands of these?
Upload a CSV and get ZIP+4, county, carrier route, and delivery-point data appended to every row — or call the API directly.