A postal code is a series of letters, numbers, or both, used by postal services to identify specific geographic areas for sorting and delivering mail. It helps ensure that mail is directed to the correct location, making the delivery process more efficient. Postal codes vary in format by country, and are typically included as part of a mailing address to help guide mail to the right destination.

What is a "postal code"?

英語での「postal code」の定義と意味

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