Today, Sprint is flipping the switch on four new 4G LTE   markets. The company has been slowly but surely expanding its 4G reach across   America and has even introduced a newly outfitted 3G service in Baltimore,   Boston, and Washington D.C. As for the four new LTE markets, they are as   follows:
  This may seem like baby steps in comparison to Verizon's 4G roll out,   but hey, there's nothing wrong with baby steps. According to Sprint, by the   end of 2013 they plan to have completed their "build-out" and will then   work on