ZIP Code 72431 — Grubbs, AR
72431 is a standard (street delivery) ZIP code serving Grubbs, Arkansas, in Jackson 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 72431 at a glance
| ZIP code | 72431 |
|---|---|
| Primary city | Grubbs |
| State | Arkansas (AR) |
| County | Jackson FIPS 05067 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 431 |
| Coordinates | 35.633960, -91.081840 |
How ZIP+4 works in 72431
The four digits after the hyphen encode a delivery segment inside 72431. 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 72431 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 72431.
| ZIP | City | Distance |
|---|---|---|
| 72005 | Amagon, AR | 6.6 mi |
| 72473 | Tuckerman, AR | 8.7 mi |
| 72112 | Newport, AR | 9.2 mi |
| 72479 | Weiner, AR | 9.9 mi |
| 72421 | Cash, AR | 11.5 mi |
| 72429 | Fisher, AR | 12.8 mi |
| 72075 | Jacksonport, AR | 12.9 mi |
| 72471 | Swifton, AR | 13.4 mi |
| 72014 | Beedeville, AR | 14.2 mi |
| 72427 | Egypt, AR | 17.8 mi |
| 72347 | Hickory Ridge, AR | 17.9 mi |
| 72169 | Tupelo, AR | 18.4 mi |
Questions about 72431
What is the ZIP+4 code for 72431?
72431 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 72431, you need to look up a specific street address to get them.
What city is 72431?
72431 is assigned to Grubbs, Arkansas, in Jackson 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.