freebeer
The XXXX are not within the data but are presented to you by your Navmii device.  You should see if there is an update available which will allow you to escape the confines of your house.
Alternatively, turn off your all-controlling device and make your way to somewhere like Reidsville Road from which you can reach your destination.
As a last resort, contact the manufacturer of the Navmii GPS and explain the problem, that I cannot see on the OSM website slippy map interface at this time.