| Post Office | Rockford |
| Division | Winnebago |
| Pincode | 61107 |
| Post Office | Rockford |
| Division | Winnebago |
| Pincode | 61108 |
| Post Office | Rockford |
| Division | Winnebago |
| Pincode | 61109 |
| Post Office | Rockford |
| Division | Winnebago |
| Pincode | 61103 |
| Post Office | Loves Park |
| Division | Winnebago |
| Pincode | 61111 |
| Post Office | Machesney Park |
| Division | Winnebago |
| Pincode | 61115 |
12 City in Winnebago | List of Zip Codes Location In Illinois and Your selected County Winnebago
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