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Map of ZIP Codes in Bloomfield Township (Winneshiek County), Iowa
List of ZIP Codes in Bloomfield Township (Winneshiek County), Iowa |
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| ZIP Code | ZIP Code City Name | Population | ZIP Code Type |
| Castalia | 558 | Non-Unique |
| Ossian | 1505 | Non-Unique |
| Postville | 3285 | Non-Unique |