Canada Post Notice Mail Strike - If Canada Post goes on strike, please use your community Drop Box to send anything to Niagara Regional Housing that would normally be sent by mail. This includes, but is not limited to, rent payments (no cash), annual renewal packages or you can use the mailbox in front of Niagara Region Headquarters, Campbell East, 1815 Sir Isaac Brock Way, Thorold. See important information during a postal strike.