US ZIP Codes


At US ZIP Codes you can search ZIP Codes to send mail and looking up US Cities and US Addresses Zip + 4 zip codes. The ZIP Code is a unique number that distinguishes cities accross the world. Almost every country uses a ZIP Codes sytem, with some exceptions like Ireland or Hong Kong.

The zip code can be formed by using letters and/or numbers; it all depends on the standard chosen by the country.

US Zip Code

In the US, the zip codes, also know as ZIP Code 5 or Zip Code 5 plus 4 are usefull to organize the mail delivery process. Germany was the first into use the system, followed by the US, in the 60's.

US Zip codes ZIP+4 State Select



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