Saturday, October 18, Barack Obama’s campaign will have canvassers knocking on doors in all 99 Iowa counties. The details of the canvasses in Cedar Rapids, Council Bluffs, Davenport, Des Moines, Dubuque, Mason City, Ottumwa, Sioux City and Waterloo are after the jump.

Click here for details about many of the other canvasses going on around the state today.

Click here to find your local field office, which you can contact to ask about other volunteer opportunities.

The Obama campaign also has set up a voter information hotline, 877 – IA08VOTE, for Iowans to call to get information on how they can vote.

There is more information about early voting at http://iowa.barackobama.com.