We're working to provide full support for APO/FPO/DPO addresses for our hard-working troops! In the mean time, here's a workaround for using your correct address information:
If the address is AP, enter "APO, AP" or "FPO, AP" or "DPO, AP" as the City and select California as the state.
Example:
If the address is AA, enter "APO, AA" or "FPO, AA" or "DPO, AA" as the City and select Florida as state.
Example:
If the address is AE, enter "APO, AE" or "FPO, AE" or "DPO, AE" in the City field and select New York as state.
Example: