How do we add Zip Code Extension to our Location Address?

We have used the Manage Address Formats option to update both the Postal Address Format and the Tax Address format so that they include zip code extension, however when we go to Manage Locations and try to update the location address we still do not see that as an option. Is there a step we are missing?

You can see the Address Format Layout Preview:

However, when I go to Manage Locations and Edit the address, I do not see the same format layout: