Note: Every ZIP Code has a single ACTUAL City Name assigned by the US Postal Service (USPS).
See the specific ZIP Code for acceptable Alternate City Names and spelling variations.
ZIP Codes in Buchanan County Address Data
Businesses Addresses: 1,002
PO Box Addresses: 1,256
Residential Addresses: 12,614
Multi-Family Addresses: 434
Single Family Addresses: 12,180
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Map of Buchanan County, IA ZIP Codes With Actual (Default) City Names