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Map of ZIP Codes in Clayton Township (Clayton County), Iowa
List of ZIP Codes in Clayton Township (Clayton County), Iowa |
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ZIP Code | ZIP Code City Name | Population | ZIP Code Type |
| Garnavillo | 1270 | Non-Unique |
| Guttenberg | 3136 | Non-Unique |
| McGregor | 1828 | Non-Unique |
| Glen Haven | 429 | Non-Unique |