Voter Registration -- In most states, the deadline for registering to vote has passed, but some states do allow in-person registration on election day. Check the rules for your state.
http://www.usa.gov/Citizen/Topics/Voting/Register.shtml
If you've already registered, but wish to verify your registration, contact your state election office.
http://www.eac.gov/voter_resources/cont ... state.aspx