| Post Office | Beloit |
| Division | Rock |
| Pincode | 53511 |
| Post Office | Janesville |
| Division | Rock |
| Pincode | 53546 |
| Post Office | Janesville |
| Division | Rock |
| Pincode | 53545 |
| Post Office | Janesville |
| Division | Rock |
| Pincode | 53548 |
| Post Office | Edgerton |
| Division | Rock |
| Pincode | 53534 |
| Post Office | Milton |
| Division | Rock |
| Pincode | 53563 |
11 City in Rock | List of Zip Codes Location In Wisconsin and Your selected County Rock
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