| Locality | Post Code |
|---|---|
| Adaville, Plymouth | 51062 |
| Akron, Plymouth | 51001 |
| Brunsville, Plymouth | 51008 |
| Hinton, Plymouth | 51024 |
| Ireton, Plymouth | 51027 |
| Kingsley, Plymouth | 51028 |
| Le Mars, Plymouth | 51031 |
| Merrill, Plymouth | 51038 |
| Millnerville, Plymouth | 51062 |
| Neptune, Plymouth | 51024 |
| Oyens, Plymouth | 51045 |
| Remsen, Plymouth | 51050 |
| Ruble, Plymouth | 51001 |
| Struble, Plymouth | 51031 |
| Westfield, Plymouth | 51062 |