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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.

Grundy County ZIP Codes

Browse Grundy ZIP Codes

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

Trenton

Post Office	Trenton
County	Grundy
ZIP Code	64683

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Spickard

Post Office	Spickard
County	Grundy
ZIP Code	64679

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Galt

Post Office	Galt
County	Grundy
ZIP Code	64641

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Laredo

Post Office	Laredo
County	Grundy
ZIP Code	64652

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