Here’s how it works. To find the best AT&T phone plan, you need to identify what it is you're looking for from your wireless coverage. Do you need a lot of data or a low monthly bill?

T-Mobile vs AT&T: What if you don't have a 5G phone, or you don't want to use ... as long as they're within T-Mobile's network coverage area. Also good for those who travel often or have family ...