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 Day County Address Data
Businesses Addresses: 328
PO Box Addresses: 639
Residential Addresses: 2,924
Multi-Family Addresses: 141
Single Family Addresses: 2,783
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Map of Day County, SD ZIP Codes With Actual (Default) City Names