South Dewey South Dakota is covered by a total of 3 ZIP Codes. The ZIP Codes in South Dewey range from 57625 to 57656. Data Updated October 2, 2024
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| ZIP Code | ZIP Code City/Town | ZIP Code Type | |||
|---|---|---|---|---|---|
| Eagle Butte | Standard | |||
| Ridgeview | Standard | |||
| Timber Lake | Standard |