This feature is controlled by your list of zip codes. If you need to modify a zip code (city/state relationship and/or spelling), add a zip code, delete a zip code, or search for a zip code you can do that here in Zip Code Maintenance.

1. Go to Maintenance > General (Studio) > Zip Codes.

2. Click Add to add a new one, Remove to delete an existing listing, or Modify to make changes.

3. Select a state from the drop-down list.

4. Highlight the zip code that you want to remove or modify.