How do I find a ZIP code by city or state?

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What is a ZIP+4 code?

A ZIP+4 code adds four extra digits to a standard ZIP code to help USPS sort and deliver mail more accurately.

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.

Sioux County ZIP Codes - North Dakota

Browse Sioux ZIP Codes

ZIP Codes in Sioux 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 Sioux ZIP Codes, you can easily identify the correct code for mailing, business, or geographic purposes.

Fort Yates

Post Office	Fort Yates
County	Sioux
ZIP Code	58538

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Cannon Ball

Post Office	Cannon Ball
County	Sioux
ZIP Code	58528

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Selfridge

Post Office	Selfridge
County	Sioux
ZIP Code	58568

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