| ZIP Code | ZIP Code Place Name | County | ZIP Code Type |
|---|---|---|---|
| 61007 | Baileyville | Ogle County | Standard |
| 61013 | Cedarville | Stephenson County | PO Box |
| 61018 | Dakota | Stephenson County | Standard |
| 61019 | Davis | Stephenson County | Standard |
| 61027 | Eleroy | Stephenson County | PO Box |
| 61032 | Freeport | Stephenson County | Standard |
| 61039 | German Valley | Stephenson County | Standard |
| 61044 | Kent | Stephenson County | Standard |
| 61048 | Lena | Stephenson County | Standard |
| 61050 | McConnell | Stephenson County | Standard |
| 61060 | Orangeville | Stephenson County | Standard |
| 61062 | Pearl City | Stephenson County | Standard |
| 61063 | Pecatonica | Winnebago County | Standard |
| 61067 | Ridott | Stephenson County | Standard |
| 61070 | Rock City | Stephenson County | Standard |
| 61078 | Shannon | Carroll County | Standard |
| 61089 | Winslow | Stephenson County | Standard |