About 14,400,000 results
Open links in new tab
  1. Postal code - Wikipedia

    A postal code (also known locally in various English-speaking countries throughout the world as a postcode, post code, PIN or ZIP Code) is a series of letters or digits or both, sometimes including …

  2. Zip Code vs Postcode: What is the difference?

    Jun 14, 2024 · A postcode is a sequence of letters, digits, or both, occasionally incorporating spaces or punctuation. Countries like the UK, Australia, and many others use the term postcode for their postal …

  3. Knowledge: ZIP Code™ - The Basics

    Need to look up a ZIP Code™? Try the ZIP Code™ lookup tool on USPS.com. Note: The ZIP Code™ lookup tool will display the address in USPS standardized format. This may look different than the …

  4. What is a postal code, a zip code, and how do they differ?

    Feb 10, 2025 · What is a postal code? Postal code meaning: A series of letters, digits, or both used in an address for mail sorting and delivery purposes. Introduced in 1959, a postal code refers to the coding …

  5. What Is a Postal Code? Definition, ZIP Codes & How They Work

    But what is a postal code exactly? At its core, a postal code is a series of numbers (sometimes letters) added to an address to help the postal service organize and deliver mail more efficiently. In the …

  6. Postal codes | History, Examples, & Facts | Britannica

    Oct 10, 2025 · postal codes, numeric or alphanumeric code, usually five or six characters, that identifies a geographic location and address. Postal codes are managed by a specific entity within each …

  7. What is a Postal Code and Their Different Formats - PostGrid

    What is a Postal Code? Postal codes are a set of numbers, a particular set of numbers (although it sometimes includes letters too) that helps postal services determine the destination of a mail.

  8. What Is a Postal Code and Why Is It Important? - LegalClarity

    Aug 15, 2025 · A postal code is a structured series of characters, typically numbers or a combination of numbers and letters, assigned to specific geographic areas. This system organizes and streamlines …

  9. POSTCODE Definition & Meaning - Merriam-Webster

    The meaning of POSTCODE is a code (as of numbers and letters) used similarly to the zip code especially in the United Kingdom and Australia.

  10. POSTCODE definition and meaning | Collins English Dictionary

    Your postcode is a short sequence of numbers and letters at the end of your address, which helps the post office to sort the mail.