ZIP Code 72946 — Mountainburg, AR
72946 is a standard (street delivery) ZIP code serving Mountainburg, Arkansas, in Crawford 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 72946 at a glance
| ZIP code | 72946 |
|---|---|
| Primary city | Mountainburg |
| State | Arkansas (AR) |
| County | Crawford FIPS 05033 |
| ZIP type | Standard (street delivery) |
| Time zone | America/Chicago |
| Population | 3,844 |
| Coordinates | 35.652540, -94.137060 |
How ZIP+4 works in 72946
The four digits after the hyphen encode a delivery segment inside 72946. 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 72946 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 72946.
| ZIP | City | Distance |
|---|---|---|
| 72934 | Chester, AR | 7.9 mi |
| 72959 | Winslow, AR | 9.1 mi |
| 72947 | Mulberry, AR | 9.1 mi |
| 72952 | Rudy, AR | 10.9 mi |
| 72935 | Dyer, AR | 10.9 mi |
| 72921 | Alma, AR | 13.1 mi |
| 72932 | Cedarville, AR | 13.8 mi |
| 72774 | West Fork, AR | 16.1 mi |
| 72948 | Natural Dam, AR | 16.1 mi |
| 72930 | Cecil, AR | 16.8 mi |
| 72956 | Van Buren, AR | 17.4 mi |
| 72955 | Uniontown, AR | 17.5 mi |
Questions about 72946
What is the ZIP+4 code for 72946?
72946 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 72946, you need to look up a specific street address to get them.
What city is 72946?
72946 is assigned to Mountainburg, Arkansas, in Crawford 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.