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 Franklin County Address Data
Businesses Addresses: 955
PO Box Addresses: 1,419
Residential Addresses: 8,709
Multi-Family Addresses: 434
Single Family Addresses: 8,275
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Map of Franklin County, IA ZIP Codes With Actual (Default) City Names