DUA oversees the unemployment insurance (UI) program, which provides temporary income assistance to eligible workers in Massachusetts. DUA also determines and collects employer contributions to the UI program. To report fraud or get help with your claim, call Unemployment Customer Assistance at (877) 626-6800.Unemployment Insurance (Ui) Online‧Applying for Unemployment Benefits‧Request Weekly Unemployment Benefits‧Unemployment Insurance (Ui) for Employers‧UI Online Computer Requirements‧Finding a Job.