311 have added several new North American tour dates, they are:

February 23rd in Santa Cruz, CA @ The Catalyst
February 25th in Oakland, CA @ Fox Theater
February 26th in Chico, CA @ Senator Theatre
February 28th in Portland, OR @ Roseland Theater
March 1st in Seattle, WA @ Moore Theatre
March 2nd in Vancouver, BC @ Commodore Ballroom
March 4th in Spokane, WA @ Knitting Factory Concert House
March 5th in Boise, ID @ Knitting Factory Concert House
March 6th in West Wendover, NV @ Peppermill Concert Hall
March 8th in Reno, NV @ Knitting Factory Concert House
March 11th in Las Vegas, NV @ Mandalay Bay Events Center