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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.

Liberty

Post Office	Liberty
County	Union
ZIP Code	47353

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Brownsville

Post Office	Brownsville
County	Union
ZIP Code	47325

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