From a press release:
Death Cab for Cutie has announced that they will hit the road again on or around March 22nd for an 8-week U.S. tour with Ben Kweller supporting. The confirmed tour dates will be announced shortly. Before their spring tour of the States, Death Cab for Cutie will be playing shows throughout Europe, Japan and Australia.
In addition, they will perform on the Late Late Show with Craig Kilborn on January 19th.