Chickasaw County ZIP codes

Every ZIP code in Chickasaw County, Iowa, with the city it serves. Open any one for a free neighborhood report.

7 ZIP codes · Chickasaw County, IA · FIPS 19037

ZIP codes

7 in this county

50603Alta Vista 50630Fredericksburg 50645Ionia 50658Nashua 50659New Hampton 50661North Washingtonunique 52154Lawler

1 of these ZIP codes route mail only. A PO-box or single-recipient ZIP has no residential area behind it, so neighborhood statistics can't be computed for it — those pages say so instead of showing numbers.