Buchanan County, Iowa Zip Codes

10 zips

Zip Code
City
Population
50644Independence8,705
50629Fairbank2,374
50682Winthrop1,649
50641Hazleton1,446
52210Brandon946
52329Rowley757
52326Quasqueton727
50650Lamont693
50607Aurora417
50654Masonville328

Overview of Zip Codes in Buchanan County

10
ZIP Codes

The data shown reflect ZCTAs from the US Census. As of 2024, there are 10 ZCTAs in Buchanan County, Iowa (US Census).