North West, possibly.
4653 NW Dumble St.Austin TX
The address of the Addison-Ripley Gallery is: 1670 Wisconsin Ave NW, Washington, DC 20007-2760
The Honorable Hillary Clinton Secretary of State U.S. Department of State 2201 C Street NW Washington, DC 20520
From reading articles here & there it seems he lives in NW London. I know this doesn't narrow the area down but after researching this is all I could find. I wish I had his address.
The Willis Auto campus is located at 2121 NW 100th St. Des Moines, Iowa. They specialize in the sale of used cars and the sale of new Lexus, Jaguar, and Infinity cars.
The address is 1600 Pennsylvania Avenue NW .
4653 NW Dumble St.Austin TX
The Rice NW Museum of Rocks and Minerals is located at 26385 NW Groveland Drive, Hillsboro, Oregon, 97124.
1600 Pennsylvania Avenue NW this is what it is you
3100 Massachusetts Avenue NW
4340 nw 3rd street
1600 Pennsylvania Avenue NW Washington D.C.
1 Observatory Cir NW, Washington, District of Columbia
16175 NW 49 Avenue. Miami, FL 33014
The address of the Rattlesnake Museum is: 202 San Felipe St NW, Albuquerque, NM 87104
The address of the Tellus Nw Ga Science Museum is: 51 Tellus Dr, White, GA 30184
The address of the Computer Genies Of Nw Iowa is: 46 1St Street SW, Lemars, IA 51031-3612