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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. Home | United States ZIP Code 5 Plus 4 ️

    Each 9-digit ZIP Code corresponds to one or more addresses within the U.S. territories. Additionally, this site offers several address-related tools, including address validation, full ZIP Code search, and …

  3. United States ZIP CodesZIP Code Lookup by Address

    ZIP Codes for United States. 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. ZIP+4 Lookup Tool (USPS-Powered 9-Digit ZIP Code Finder)

    Enter a full mailing address to get the correct 9-digit ZIP+4 code and USPS-standardized address format. Free tool powered by official USPS data.

  5. ZIP+4 Code lookup | Get last 4 digits of 9-digit ZIP Codes - Smarty

    The last 4 digits of these 9-digit ZIP Codes usually represent 6-20 delivery points on a USPS carrier route. A full zip code lookup can provide you with your 9 digit zip code.

  6. Free ZIP Code Lookup and Finder

    Free ZIP Code Lookup and Finder. Lookup ZIP codes by city, address, state, county, or area code and get all the ZIP Codes.

  7. Zip Code Lookup - Zip Code Finder

    Zip Code Lookup is a tool to find the zip code based on an exact address, or the state and city. The zip code finder can also find your current zip code if you have your location or geolocation tool enable on …

  8. USPS - Find a ZIP Code

    A ZIP Code is an essential part of the mailing process. We provide your business with several different ways to find a ZIP Code and understand it.

  9. Lookup a U.S. Zip+4 Code - Free Web Tool by Firstlogic

    Our address validation software is able to retrieve the ZIP code of an address based on the Street name and number, City, and State information. If you don't have the ZIP code information for an otherwise …

  10. ZIP+4 Code Format Guide: How to Use 9-Digit ZIP Codes

    Clear, up-to-date guide to ZIP+4 format: what the 9-digit code means, when it helps, and how to look up the correct ZIP+4 for any address.