ZIP Code 73731 — Dacoma, OK
73731 is a standard (street delivery) ZIP code serving Dacoma, Oklahoma, in Woods 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 73731 at a glance
| ZIP code | 73731 |
|---|---|
| Primary city | Dacoma |
| State | Oklahoma (OK) |
| County | Woods FIPS 40151 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 102 |
| Coordinates | 36.643970, -98.599150 |
How ZIP+4 works in 73731
The four digits after the hyphen encode a delivery segment inside 73731. 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 73731 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 73731.
| ZIP | City | Distance |
|---|---|---|
| 73746 | Hopeton, OK | 4.6 mi |
| 73726 | Carmen, OK | 6.9 mi |
| 73716 | Aline, OK | 11.3 mi |
| 73728 | Cherokee, OK | 13 mi |
| 73860 | Waynoka, OK | 16.4 mi |
| 73717 | Alva, OK | 16.9 mi |
| 73729 | Cleo Springs, OK | 18.9 mi |
| 73741 | Helena, OK | 19.5 mi |
| 73722 | Burlington, OK | 22 mi |
| 73737 | Fairview, OK | 24.3 mi |
| 73749 | Jet, OK | 24.5 mi |
| 73768 | Ringwood, OK | 26.3 mi |
Questions about 73731
What is the ZIP+4 code for 73731?
73731 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 73731, you need to look up a specific street address to get them.
What city is 73731?
73731 is assigned to Dacoma, Oklahoma, in Woods 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.