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Are ZIP codes the same as postal codes?

ZIP codes are the postal code system used in the United States. Other countries use different postal code formats.

Dewey County ZIP Codes - South Dakota

Browse Dewey ZIP Codes

ZIP Codes in Dewey County help organize mail delivery and define local service areas. Each ZIP Code corresponds to a specific community or post office, ensuring residents, businesses, and visitors can find accurate address information quickly. By browsing the complete list of Dewey ZIP Codes, you can easily identify the correct code for mailing, business, or geographic purposes.

Eagle Butte

Post Office	Eagle Butte
County	Dewey
ZIP Code	57625

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Timber Lake

Post Office	Timber Lake
County	Dewey
ZIP Code	57656

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Ridgeview

Post Office	Ridgeview
County	Dewey
ZIP Code	57652

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Whitehorse

Post Office	Whitehorse
County	Dewey
ZIP Code	57661

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Lantry

Post Office	Lantry
County	Dewey
ZIP Code	57636

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Glencross

Post Office	Glencross
County	Dewey
ZIP Code	57630

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