AT&T is one of the 4 major networks we have identified operating in the USA.
Read our latest analysis on how the major operators compare in mobile network experience at USA: Mobile Network Experience.
Detailed coverage maps for all major networks around the globe are available for free in the OpenSignal app.
Download the OpenSignal app, available on Android or iOS, to:
All of the data used in our coverage maps is crowdsourced from our global community of app users, ensuring that the findings we publish reflect the real-world state of mobile network coverage as everyday user typically experience it.