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 Humboldt County Address Data
Businesses Addresses: 614
PO Box Addresses: 1,100
Residential Addresses: 6,411
Multi-Family Addresses: 326
Single Family Addresses: 6,085
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Map of Humboldt County, IA ZIP Codes With Actual (Default) City Names