Zip Code List
Zip Code - 506 in Iowa

Zip CodeCityCounty
50601 Ackley Hardin County
50602 Allison Butler County
50603 Alta Vista Chickasaw County
50604 Aplington Butler County
50605 Aredale Butler County
50606 Arlington Fayette County
50607 Aurora Buchanan County
50608 Austinville Butler County
50609 Beaman Grundy County
50611 Bristow Butler County
50612 Buckingham Tama County
50613 Cedar Falls Black Hawk County
50616 Charles City Floyd County
50619 Clarksville Butler County
50620 Charles City Floyd County
50620 Colwell Floyd County
50621 Conrad Grundy County
50622 Denver Bremer County
50623 Dewar Black Hawk County
50624 Dike Grundy County
50625 Dumont Butler County
50626 Dunkerton Black Hawk County
50627 Eldora Hardin County
50628 Elma Howard County
50629 Fairbank Buchanan County
50630 Fredericksburg Chickasaw County
50631 Frederika Bremer County
50632 Green Mountain Tama County
50632 Garwin Tama County
50633 Geneva Franklin County
50634 Gilbertville Black Hawk County
50635 Gladbrook Tama County
50636 Greene Butler County
50638 Grundy Center Grundy County
50641 Hazleton Buchanan County
50642 Holland Grundy County
50643 Hudson Black Hawk County
50644 Independence Buchanan County
50645 Ionia Chickasaw County
50647 Janesville Bremer County
50648 Jesup Buchanan County
50649 Kesley Butler County
50650 Lamont Buchanan County
50651 La Porte City Black Hawk County
50652 Lincoln Tama County
50653 Marble Rock Floyd County
50654 Masonville Delaware County
50655 Maynard Fayette County
50657 Morrison Grundy County
50658 Nashua Chickasaw County
50659 New Hampton Chickasaw County
50660 New Hartford Butler County
...
Zip CodeCityCounty
50661 New Hampton Chickasaw County
50661 North Washington Chickasaw County
50662 Oelwein Fayette County
50664 Oran Fayette County
50665 Parkersburg Butler County
50666 Plainfield Bremer County
50667 Raymond Black Hawk County
50668 Readlyn Bremer County
50669 Reinbeck Grundy County
50670 Shell Rock Butler County
50671 Stanley Buchanan County
50672 Steamboat Rock Hardin County
50673 Stout Grundy County
50674 Sumner Bremer County
50675 Traer Tama County
50676 Tripoli Bremer County
50677 Bremer Bremer County
50677 Waverly Bremer County
50680 Wellsburg Grundy County
50681 Westgate Fayette County
50682 Winthrop Buchanan County