CHICAGO, May 5 /PRNewswire-FirstCall/ --Telephone and Data Systems, Inc. (NYSE: TDS, TDS.S) and United States Cellular Corporation (NYSE: USM) today announced that they expect to release their first quarter operating results, originally scheduled for Thurs., May 6, 2010, to before the market opens o
Source : http://www.prnewswire.com/news-releases/tds-and-us...
Source : http://www.prnewswire.com/news-releases/tds-and-us...