US HOUSE OF REPRESENTATIVES
House seats are apportioned according to population and thus the larger states have more Members. At the official site of the US House of Representatives. At the official site of the US House of Representatives you may use the "Find Your Representative" feature to enter in your zip code, and view the name of your House Member with a link to their web site, or you may use the alphabetical list of "Representative Offices" to link to their contact information.

US SENATE
Each state, regardless of size, has two Senators. At the official site of the US Senate, you may use the "Find Your Senators" feature to select the name of your state and view the names and contact information with links to the Senators' web sites. You may also view an alphabetical list of senators with links to their contact information at the "Senators List"