Looks like GV is setting up the service in Canada. This should help sell a few OBi units in Canada. Sherman, time to crank up production. (Jimmates you might be getting a few PMs on shipping to Canada :D)
Google Voice for Canadians (forum member Robert.Thompson)
Google Voice just 'verified' my non-US cellphone number, and, it works!!!
http://googlevoiceforcanadians.com/2012/11/15/google-voice-just-verified-my-non-us-cellphone-number-and-it-works/
Howard Forums
Google Voice closing down the loophole for existing 403 Numbers?
http://www.howardforums.com/showthread.php/1779677-Google-Voice-closing-down-the-loophole-for-existing-403-Numbers/page12
Google Voice may be near launch in Canada
http://www.dslreports.com/forum/r27732944-Google-Voice-may-be-near-launch-in-Canada