Today, polling places are opening in 15 states across the country, while residents of 7 additional states will gather tomorrow evening to caucus.

In order to help, we've put together Caucus Look-Up tolls for all the caucus states, as well as information on polling places for all primary states.

Find your polling place -- then invite your friends and family to look up their polling places and vote for Barack this Tuesday, February 5th!

Alabama (polls open from 7:00 a.m. to 7:00 p.m.)

Alaska (arrive at 5:30 p.m. - doors close at 6:00 p.m.)

Arizona (polls open from 6:00 a.m. to 7:00 p.m.)

Arkansas (polls open from 7:30 a.m. to 7:30 p.m.)

California (polls open from 7:00 a.m. to 8:00 p.m.)

Colorado (arrive at 6:30 p.m. - doors close at 7:00 p.m.)

Connecticut (polls open from 6:00 a.m. to 8:00 p.m.)

Delaware (polls open from 7:00 a.m. to 8:00 p.m.)

Georgia (polls open from 7:00 a.m. to 7:00 p.m.)

Idaho (arrive at 6:00 p.m. - doors close at 7:00 p.m.)

Illinois (polls open from 6:00 a.m. to 7:00 p.m.)

Kansas (arrive at 6:00 p.m. - doors close at 7:00 p.m.)

Massachusetts (polls open from 7:00 a.m. to 8:00 p.m.)

Minnesota (cast your vote between 6:30 p.m. and 7:59 p.m.)

Missouri (polls open from 6:00 a.m. to 7:00 p.m.)

New Jersey (polls open from 6:00 a.m. to 8:00 p.m.)

New Mexico (caucus sites open from 12:00 p.m. until 7:00 p.m.)

New York (polls open from 6:00 a.m. to 9:00 p.m.)

North Dakota (caucus sites are open from 2:00 p.m. to 8:00 p.m.)

Oklahoma (polls open from 7:00 a.m. until 7:00 p.m.)

Tennessee (polls open from 8:00 a.m. to 8:00 p.m.)

Utah (polls open from 7:00 a.m. until 8:00 p.m.)