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 Union County Address Data
Businesses Addresses: 1,022
PO Box Addresses: 1,277
Residential Addresses: 9,423
Multi-Family Addresses: 986
Single Family Addresses: 8,437
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Map of Union County, SD ZIP Codes With Actual (Default) City Names