| Post Office | Le Mars |
| Division | Plymouth |
| Pincode | 51031 |
| Post Office | Remsen |
| Division | Plymouth |
| Pincode | 51050 |
| Post Office | Kingsley |
| Division | Plymouth |
| Pincode | 51028 |
| Post Office | Akron |
| Division | Plymouth |
| Pincode | 51001 |
| Post Office | Hinton |
| Division | Plymouth |
| Pincode | 51024 |
| Post Office | Merrill |
| Division | Plymouth |
| Pincode | 51038 |
| Post Office | Westfield |
| Division | Plymouth |
| Pincode | 51062 |
| Post Office | Brunsville |
| Division | Plymouth |
| Pincode | 51008 |
| Post Office | Oyens |
| Division | Plymouth |
| Pincode | 51045 |
9 City in Plymouth | List of Zip Codes Location In Iowa and Your selected County Plymouth