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  1. ZIP Code™ Lookup | USPS

    Enter a corporate or residential street address, city, and state to see a specific ZIP Code ™. Find by Address By City and State

  2. 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 …

  3. GREELEY, Colorado 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.

  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 …

  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 …

  6. Greeley Colorado ZIP Codes - Map and Full List - Zipdatamaps

    Jan 2, 2026 · The ZIP Codes in Greeley range from 80543 to 80639. Of the ZIP codes within or partially within Greeley there are 2 Standard ZIP Codes, 2 Unique ZIP Codes and 2 PO Box …

  7. 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 …

  8. 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 …

  9. What Is a Postal Code? - LegalZoom

    Oct 15, 2024 · Postal codes are a series of letters and/or numbers that are used to identify the geographic locations for your mail delivery. However, the United States Postal Service (USPS) …

  10. What Are Postal Codes and How They Enhance Mail Efficiency

    Feb 19, 2025 · Postal codes, often referred to as ZIP codes in the United States, are numerical or alphanumeric codes assigned to specific geographic areas to facilitate mail delivery.