Search: Winnebago - Postal Zip Code List
| City or Location | States or Territories | States or Territories Abbrieviation | Postcode or Zipcode |
|---|---|---|---|
| Buffalo Center | Iowa | IA | 50424 |
| Forest City | Iowa | IA | 50436 |
| Lake Mills | Iowa | IA | 50450 |
| Leland | Iowa | IA | 50453 |
| Rake | Iowa | IA | 50465 |
| Scarville | Iowa | IA | 50473 |
| Thompson | Iowa | IA | 50478 |
| Cherry Valley | Illinois | IL | 61016 |
| Durand | Illinois | IL | 61024 |
| Pecatonica | Illinois | IL | 61063 |
| Rockton | Illinois | IL | 61072 |
| Roscoe | Illinois | IL | 61073 |
| Seward | Illinois | IL | 61077 |
| Shirland | Illinois | IL | 61079 |
| South Beloit | Illinois | IL | 61080 |
| Winnebago | Illinois | IL | 61088 |
| Rockford | Illinois | IL | 61101 |
| Rockford | Illinois | IL | 61102 |
| Rockford | Illinois | IL | 61103 |
| Rockford | Illinois | IL | 61104 |
| Rockford | Illinois | IL | 61105 |
| Rockford | Illinois | IL | 61106 |
| Rockford | Illinois | IL | 61107 |
| Rockford | Illinois | IL | 61108 |
| Rockford | Illinois | IL | 61109 |
| Rockford | Illinois | IL | 61110 |
| Loves Park | Illinois | IL | 61111 |
| Rockford | Illinois | IL | 61112 |
| Rockford | Illinois | IL | 61114 |
| Machesney Park | Illinois | IL | 61115 |