How do you compare cell phone reception between mobile phone service providers?

To compare cell phone reception between mobile phone service providers, go to RootMetrics.com and click the Coverage Map button. Alternatively, visit OpenSignal.com to compare wireless phone services using a heat map.

As of 2015, RootMetrics.com provides coverage maps for over 40 wireless phone carriers in the United States. The coverage map compares cell phone signal reception in five categories: untested, bad, poor, fair and good. In addition to call performance, the map also displays estimated cell phone Internet speeds. Root Metrics is an information services company located in Bellevue, Washington.

OpenSignal.com provides a heat map utilizing data from various wireless providers. A heat map is a graphical representation of data on a geographical map.