Readonlyknown_Whether USPS was able to confirm that this address exists
Readonlyknown_Whether USPS was able to confirm that this secondary address exists (i.e., Apartment or similar division of an address), or no secondary address was specified.
ReadonlyoccupiedWhether USPS indicated that this address is occupied
ReadonlyresidentialWhether USPS indicated that this is not a commercial address
Additional information about the address, mostly concerning its validity