NOTE  All Times Eastern Standard

 CNN will broadcast a projected winner only after an extensive review of data from a number of sources. Details about CNN's projection process

 Technical help and advice

 Notes for individual races, by state

 Poll closing times by state and time zone

 The ZIP code lookup matches addresses to the current congressional district for the 109th U.S. Congress, which ends January 3, 2007. Due to redistricting, some districts may be different in the November 7 elections, which are being held to choose members of the 110th U.S. Congress.

