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How to Find USPS ZIP Codes

It used to be difficult to find a United States Postal Service or USPS zip code, but thanks to the Internet, finding a zip code is as easy as going to the USPS website. In addition, the website will give the addition four numbers of the zip code, which is often important to make sure your package arrives at the correct location.


  1. Go to the USPS site, which is where you can find any United States zip code. You
    can use any web browser to get to the USPS website as long as you an
    Internet connection.

  2. Look to the left of the page and
    click on the “Zip” button next to “Look Up a ZIP Code” you
    will than see a pop up box that hovers over the page. This is the
    new updated USPS website so it will not go to another page as the
    older version.

  3. Fill out the form completely with
    the address and an apartment number along with the city. Knowing the
    address will ensure you get an accurate zip code along with the + 4
    digits.

  4. Make sure when entering in the
    address that you spell out “Road” rather than entering “Rd”
    and “Street” rather than “St”. For apartments, use “Apt 6”
    rather than spelling out apartment. If you use abbreviations on
    specific words, the zip code finder will return an error that they
    could not find the address.

  5. After completing the form click
    the “Find” button. If there are no mistakes in the entry of your
    information, the full address with the zip code will be displayed.