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  1. ZIP CodeLookup | 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. 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.

  4. United States ZIP CodesZIP Code Lookup by Address

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

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

    A full zip code lookup can provide you with your 9 digit zip code. Why? ZIP Plus 4 Codes help to prevent misdelivered, lost, delayed, and returned mail. Including those last 4 digits of the ZIP Code can …

  6. Free ZIP Code Lookup and Finder

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

  7. 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.