Election Day is Nov. 6, but voter registration deadlines in many states are well before that.

Here’s a list of each state’s voter registration deadline, though as of Nov. 1, many have already passed.

Deadlines have already passed in Alabama, Alaska, Arizona, Arkansas, Delaware, Florida, Georgia, Indiana, Kansas, Kentucky, Louisiana, Maryland, Massachusetts, Michigan, Mississippi, Missouri, Nebraska, Nevada, New Mexico, New York, Ohio, Oklahoma, Pennsylvania, Rhode Island, South Carolina, South Dakota, Tennessee, Texas, Virginia and West Virginia.

In California, Colorado, the District of Columbia, Hawaii, Idaho, Iowa, Louisiana, Minnesota, Montana, Nevada, New Jersey, North Carolina, Oregon, Utah, Washington State, Wisconsin and Wyoming, some registration options have passed, but others remain open longer.

The mail deadlines are when the applications should be postmarked, unless stated otherwise. Some states allow you to register through Election Day, but may have special requirements to do so.