Beta version of C Spire's spectrum holdings maps. The maps are current as of 3/12/2016. Due to different storage format used by the FCC, 850 MHz spectrum holdings are shown on a separate map which is not broken down to counties.
If the licensed spectrum is not continuous the blocks are separated with a vertical line:
The colors on the map represent how much continuous spectrum is available for LTE downlink without carrier aggregation and not accounting for spectrum for CDMA network: