ZIP Code 72638 — Green Forest, AR
72638 is a standard (street delivery) ZIP code serving Green Forest, Arkansas, in Carroll 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 72638 at a glance
| ZIP code | 72638 |
|---|---|
| Primary city | Green Forest |
| State | Arkansas (AR) |
| County | Carroll FIPS 05015 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 6,912 |
| Coordinates | 36.324500, -93.404960 |
How ZIP+4 works in 72638
The four digits after the hyphen encode a delivery segment inside 72638. 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 72638 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 72638.
| ZIP | City | Distance |
|---|---|---|
| 72611 | Alpena, AR | 7 mi |
| 72616 | Berryville, AR | 8.7 mi |
| 72660 | Oak Grove, AR | 10.9 mi |
| 72662 | Omaha, AR | 14.4 mi |
| 65611 | Blue Eye, MO | 15.3 mi |
| 65739 | Ridgedale, MO | 15.4 mi |
| 65681 | Lampe, MO | 16.1 mi |
| 72624 | Compton, AR | 16.9 mi |
| 72601 | Harrison, AR | 18.4 mi |
| 72632 | Eureka Springs, AR | 19.1 mi |
| 65672 | Hollister, MO | 19.7 mi |
| 65658 | Golden, MO | 19.9 mi |
Questions about 72638
What is the ZIP+4 code for 72638?
72638 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 72638, you need to look up a specific street address to get them.
What city is 72638?
72638 is assigned to Green Forest, Arkansas, in Carroll 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.