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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.

Union County ZIP Codes

Browse Union ZIP Codes

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

Maynardville

Post Office	Maynardville
County	Union
ZIP Code	37807

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Luttrell

Post Office	Luttrell
County	Union
ZIP Code	37779

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Sharps Chapel

Post Office	Sharps Chapel
County	Union
ZIP Code	37866

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Powder Springs

Post Office	Powder Springs
County	Union
ZIP Code	37848

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