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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.

Polk County ZIP Codes

Browse Polk ZIP Codes

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

Stromsburg

Post Office	Stromsburg
County	Polk
ZIP Code	68666

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Shelby

Post Office	Shelby
County	Polk
ZIP Code	68662

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Osceola

Post Office	Osceola
County	Polk
ZIP Code	68651

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Polk

Post Office	Polk
County	Polk
ZIP Code	68654

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