CHICAGO, April 29 /PRNewswire-FirstCall/ -- Telephone and Data Systems, Inc. (NYSE: TDS, TDS.S) and United States Cellular Corporation (NYSE: USM), will hold their quarterly conference call to discuss first quarter operating results on Thurs., May 6, 2010, at 9:30 a.m. CDT. This call is being
Source : http://www.prnewswire.com/news-releases/tds-and-us...
Source : http://www.prnewswire.com/news-releases/tds-and-us...