| Place | Post Code |
|---|---|
| Benjinup, Boyup Brook | 6255 |
| Boyup Brook, Boyup Brook | 6244 |
| Chowerup, Boyup Brook | 6244 |
| Dinninup, Boyup Brook | 6244 |
| Kulikup, Boyup Brook | 6244 |
| Mayanup, Boyup Brook | 6244 |
| McAlinden, Boyup Brook | 6225 |
| Scotts Brook, Boyup Brook | 6244 |
| Tonebridge, Boyup Brook | 6244 |
| Wilga, Boyup Brook | 6243 |