| Member name | Value | Description |
| Success | 0 | Geolocation successfully determined. |
| InvalidArgument | -1 | At least one of the elements in the Address input object could not be processed as given. See the Address class discussion above for clarification. |
| NotFound | -2 | Unable to find geolocation. Cause unknown. |
| StateCountyNotFound | -3 | No GeoCode information is available for the given state/county. |
| StreetNotFound | -4 | No Street was found that matches the input. |
| RangeNotFound | -5 | A matching street was found, but no range was found that matched the input house number. |
| NotChecked | 2 | This message will only appear if an exception is thrown during the lookup process. |
