The following web sites can be helpful in locating the names and addresses of your Members of Congress so you can make your voice heard. Most of them have additional links themselves. The Zipper Enter your ZIP code and this online program will return the names and addresses of your Members of Congress.
Information includes mailing address, email address, phone number and fax number.
This site has the same ability to locate Members of Congress by ZIP code, but includes both federal and state representatives. It has information on individual voting records, congressional web page links, biographies, email and snail mail addresses, fax and voice phone numbers, and contact information for local district offices. This site allows you to select the member of Congress you want to write to, then compose and send an email while online. It also provides the same ability for media outlets. This is the official site of the Library of Congress, with information about the legislative process, text of all bills, laws, resolutions, and the text of the Congressional Record.