US location post office
Illinois ZIP Codes
| ZIP Code | Type | City | County | County Code |
|---|---|---|---|---|
| 61013 | POBox | Cedarville | Stephenson | 17177 |
| 61014 | Standard | Chadwick | Carroll | 17015 |
| 61015 | Standard | Chana | Ogle | 17141 |
| 61016 | Standard | Cherry Valley | Winnebago | 17201 |
| 61018 | Standard | Dakota | Stephenson | 17177 |
| 61019 | Standard | Davis | Stephenson | 17177 |
| 61020 | Standard | Davis Junction | Ogle | 17141 |
| 61021 | Standard | Dixon | Lee | 17103 |
| 61024 | Standard | Durand | Winnebago | 17201 |
| 61025 | Standard | East Dubuque | Jo Daviess | 17085 |
| 61027 | POBox | Eleroy | Stephenson | 17177 |
| 61028 | Standard | Elizabeth | Jo Daviess | 17085 |
| 61030 | Standard | Forreston | Ogle | 17141 |
| 61031 | Standard | Franklin Grove | Lee | 17103 |
| 61032 | Standard | Freeport | Stephenson | 17177 |
| 61036 | Standard | Galena | Jo Daviess | 17085 |
| 61037 | POBox | Galt | Whiteside | 17195 |
| 61038 | Standard | Garden Prairie | Boone | 17007 |
| 61039 | Standard | German Valley | Stephenson | 17177 |
| 61041 | Standard | Hanover | Jo Daviess | 17085 |
| 61042 | Standard | Harmon | Lee | 17103 |
| 61043 | POBox | Holcomb | Ogle | 17141 |
| 61044 | Standard | Kent | Stephenson | 17177 |
| 61046 | Standard | Lanark | Carroll | 17015 |
| 61047 | Standard | Leaf River | Ogle | 17141 |
| 61048 | Standard | Lena | Stephenson | 17177 |
| 61049 | Standard | Lindenwood | Ogle | 17141 |
| 61050 | Standard | McConnell | Stephenson | 17177 |
| 61051 | Standard | Milledgeville | Carroll | 17015 |
| 61052 | Standard | Monroe Center | Ogle | 17141 |
| 61053 | Standard | Mount Carroll | Carroll | 17015 |
| 61054 | Standard | Mount Morris | Ogle | 17141 |
| 61057 | POBox | Nachusa | Lee | 17103 |
| 61059 | POBox | Nora | Jo Daviess | 17085 |
| 61060 | Standard | Orangeville | Stephenson | 17177 |
| 61061 | Standard | Oregon | Ogle | 17141 |
| 61062 | Standard | Pearl City | Stephenson | 17177 |
| 61063 | Standard | Pecatonica | Winnebago | 17201 |
| 61064 | Standard | Polo | Ogle | 17141 |
| 61065 | Standard | Poplar Grove | Boone | 17007 |
| 61067 | Standard | Ridott | Stephenson | 17177 |
| 61068 | Standard | Rochelle | Ogle | 17141 |
| 61070 | Standard | Rock City | Stephenson | 17177 |
| 61071 | Standard | Rock Falls | Whiteside | 17195 |
| 61072 | Standard | Rockton | Winnebago | 17201 |
| 61073 | Standard | Roscoe | Winnebago | 17201 |
| 61074 | Standard | Savanna | Carroll | 17015 |
| 61075 | Standard | Scales Mound | Jo Daviess | 17085 |
| 61077 | POBox | Seward | Winnebago | 17201 |
| 61078 | Standard | Shannon | Carroll | 17015 |
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