What is the name of a nationally based domestic violence safe house?
I doubt there is one:
http://www.google.com/search?q=nationally+based+domestic+violence+safe+house&ie=utf-8&oe=utf-8&aq=t&rlz=1R1GGGL_en___US321&client=firefox-a
There's a national hotline, but the actual safe houses are undoubtedly locally organized and funded both publicly and privately.