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: 1,020
PO Box Addresses: 1,260
Residential Addresses: 12,576
Multi-Family Addresses: 429
Single Family Addresses: 12,147
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Map of Buchanan County, IA ZIP Codes With Actual (Default) City Names