The data schema workbook for ZIP Plus 4 Database Premium Plus Centroids is included as part of the product delivery file downloaded from PDX. The current data schema workbook and earlier versions can also be downloaded using the following links:
ZIP Plus 4 Database Premium Plus Centroids Data Schema 2024.11 - Latest
ZIP Plus 4 Database Premium Plus Centroids Data Schema 2024.08 - 2024.11
ZIP Plus 4 Database Premium Plus Centroids Data Schema 2023.11 - 2024.08
Note: To access earlier versions not listed above, follow this link and use the Version dropdown to select the appropriate release.