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: 1,028
PO Box Addresses: 1,263
Residential Addresses: 9,479
Multi-Family Addresses: 1,011
Single Family Addresses: 8,468
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Map of Union County, SD ZIP Codes With Actual (Default) City Names