| Locality | Post Code |
|---|---|
| Allendale, Ottawa | 49401 |
| Borculo, Ottawa | 49464 |
| Casnovia, Ottawa | 49318 |
| Conklin, Ottawa | 49403 |
| Coopersville, Ottawa | 49404 |
| Eastmanville, Ottawa | 49404 |
| Ferrysburg, Ottawa | 49409 |
| Georgetown, Ottawa | 49428 |
| Grand Haven, Ottawa | 49417 |
| Holland, Ottawa | 49423, 49424 |
| Hudsonville, Ottawa | 49426 |
| Jamestown, Ottawa | 49427 |
| Jenison, Ottawa | 49428 |
| Lamont, Ottawa | 49430 |
| Macatawa, Ottawa | 49434 |
| Marne, Ottawa | 49435 |
| Norton Shores, Ottawa | 49456 |
| Nunica, Ottawa | 49448 |
| Port Sheldon, Ottawa | 49460 |
| Spring Lake, Ottawa | 49456 |
| West Olive, Ottawa | 49460 |
| Zeeland, Ottawa | 49464 |