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: 1,012
PO Box Addresses: 1,261
Residential Addresses: 12,619
Multi-Family Addresses: 430
Single Family Addresses: 12,189
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Map of Buchanan County, IA ZIP Codes With Actual (Default) City Names