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: 1,024
PO Box Addresses: 1,269
Residential Addresses: 9,455
Multi-Family Addresses: 1,005
Single Family Addresses: 8,450
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Map of Union County, SD ZIP Codes With Actual (Default) City Names