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  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. 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 …

  3. Introduction of the ZIP Code - U.S. Postal Facts

    The first number in the five-digit ZIP Code represents a general geographic area of the nation, “0” in the east, moving to “9” in the west. The next two numbers represent regional areas, and the final two …

  4. 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 …

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

    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. The postal code allows mail to …

  6. SUNNYVALE, Texas ZIP Codes

    Use our address lookup or code list to find the correct 5-digit or 9-digit (ZIP+4) code for your postal mails destination.

  7. Sunnyvale, TX ZIP Code, Map and Demographics

    6 days ago · ZIP Code: Sunnyvale, TX has only 1 Standard ZIP assigned to it by the U.S. Postal Service. County: The County, Parish, Borough, or Planning Region that ZIPs in Sunnyvale, TX at …

  8. Sunnyvale Texas ZIP Codes - Map and Full List - Zipdatamaps

    Dec 15, 2025 · There are also 3 ZIP Codes that overlap Sunnyvale but have a different postal city name. The ZIP Codes in Sunnyvale range from 75149 to 75182. Of the ZIP codes within or partially within …

  9. 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 …

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

    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 country; in the …