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.

Caldwell County ZIP Codes

Browse Caldwell ZIP Codes

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

Columbia

Post Office	Columbia
County	Caldwell
ZIP Code	71418

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Grayson

Post Office	Grayson
County	Caldwell
ZIP Code	71435

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Kelly

Post Office	Kelly
County	Caldwell
ZIP Code	71441

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Clarks

Post Office	Clarks
County	Caldwell
ZIP Code	71415

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