SPRINGFIELD, Mo., March 23, 2015 /PRNewswire/ -- AT&T* has invested more than $70 million in its best-in-class wireless and wired networks in Springfield during the 2012 through 2014 period, driving a wide range of upgrades to enhance reliability, coverage, speed and performance...
Source : http://www.prnewswire.com/news-releases/att-invest...