| Locality | Post Code |
|---|---|
| Big Flat, Baxter | 72617 |
| Calico Rock, Baxter | 72519 |
| Clarkridge, Baxter | 72623 |
| Cotter, Baxter | 72626 |
| East Cotter, Baxter | 72635 |
| Elizabeth, Baxter | 72531 |
| Gamaliel, Baxter | 72537 |
| Gassville, Baxter | 72635 |
| Harriet, Baxter | 72617 |
| Henderson, Baxter | 72544 |
| Jordan, Baxter | 72519 |
| Lakeview, Baxter | 72642 |
| Midway, Baxter | 72651 |
| Monkey Run, Baxter | 72635 |
| Mountain Home, Baxter | 72653 |
| Norfork, Baxter | 72658 |
| Old Joe, Baxter | 72658 |
| Salesville, Baxter | 72653 |
| Whiteville, Baxter | 72635 |