1) Track down your representatives personal/work email address
2) Send your opinion in
3) Share and repeat
2) Send your opinion in
3) Share and repeat
No, they won't.
Be smart, be motivated, and figure out how things actually work. Then apply the maximum amount of force to the place it can do the most good.
I'm not sure that place is actually phone calls, but there's a reason phone calls are suggested so often. They do work. You might be able to find something better though and if you do let us know.
Edit: Well that was dumb. I replied from memory without reading the thread again. I totally agree about email.