ZIP Code 73554 — Mangum, OK
73554 is a standard (street delivery) ZIP code serving Mangum, Oklahoma, in Greer 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 73554 at a glance
| ZIP code | 73554 |
|---|---|
| Primary city | Mangum |
| State | Oklahoma (OK) |
| County | Greer FIPS 40055 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,309 |
| Coordinates | 34.855620, -99.601180 |
How ZIP+4 works in 73554
The four digits after the hyphen encode a delivery segment inside 73554. 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 73554 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 73554.
| ZIP | City | Distance |
|---|---|---|
| 73673 | Willow, OK | 13.3 mi |
| 73547 | Granite, OK | 14.3 mi |
| 73556 | Martha, OK | 15.1 mi |
| 73532 | Duke, OK | 15.7 mi |
| 73544 | Gould, OK | 16.3 mi |
| 73571 | Vinson, OK | 19.1 mi |
| 73526 | Blair, OK | 19.4 mi |
| 73550 | Hollis, OK | 19.5 mi |
| 73655 | Lone Wolf, OK | 21.6 mi |
| 73521 | Altus, OK | 22.2 mi |
| 73523 | Altus Afb, OK | 22.6 mi |
| 73560 | Olustee, OK | 23.2 mi |
Questions about 73554
What is the ZIP+4 code for 73554?
73554 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 73554, you need to look up a specific street address to get them.
What city is 73554?
73554 is assigned to Mangum, Oklahoma, in Greer 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.