The Wayback Machine - https://web.archive.org/web/20180920123145/https://postcalc.usps.com/CustomsForm

For APO/FPO/DPO destinations, choose United States (Domestic and APO/FPO/DPO Mail) and enter Weight and ZIP Codes.

For US Territories, Possessions, and Freely Associated States, choose United States (Domestic and APO/FPO/DPO Mail) and enter Weight and ZIP Codes.