Call the Capitol Switchboard
You will be connected to an operator who will ask for your zip code and connect you to your Representative's or Senator’s office.
President Barack Obama's Comment line: 202-456-1111
Fax the White House 202–456-2461
Use the contact form on their webpage http://www.whitehouse.gov/contact
To stay up to date on the Senate and House Agricultural and Appropriations Committees visit the below links.
Since the Anthrax scare a few years ago, regular snail mail takes several weeks to get to Congressmembers' offices. However, you can write and fax a letter, or send a message through their websites. Some House members also give their emails on their website. Fax numbers, web response forms, and other contact information is best.