Smithwick South Dakota is covered by a total of 1 ZIP Codes. There are also 2 ZIP Codes that overlap Smithwick but have a different postal city name. The ZIP Codes in Smithwick range from 57747 to 57782. The total population of ZIP Codes in Smithwick is 63. Data Updated September 15, 2024
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Hot Springs | Standard | |||
| Oral | Standard | |||
| Smithwick | PO Box |