In California:
It’s easy to register by mail in California. For on-line application, go to https://www.sos.ca.gov/elections/register-to-vote. Or to request an application over the phone, call (800) 345-8683. After completing the form you must print it out and mail it in.
Or you can pick up a voter registration form at your county elections office, library, or U.S. Post Office.
In order to vote in the November 6, 2012 General Election, your register-by-mail application must be postmarked no later than October 22, 2012.
In Nevada:
It’s easy to register by mail in Nevada. If you are a resident of Carson City or Douglas County, fill out the on-line application at //www.nvsos.gov/SOSVoterRegForm/VoterForm.aspx. After completing the form, you must print it out and mail it in.