know who your representatives are & contact them 

Find your US congressman or congresswoman here.

Product Hunt's "Call to Action" is a super speedy way to pull up and direct dial your US congressperson.

Find your CA state representatives here.

Find your LA County Supervisor.  Find her/him here.

Find your LA City Councilperson.  Figure out which Council District (CD) you live in. And then go here to see a list of elected officials by CD