T-Mobile has been the last 2G holdout in the US, still keeping its vintage network live despite AT&T having discontinued 2G service in 2017 with Verizon and Sprint following a few years later.
Tello Mobile (Build Your Own Plan) Backed by T-Mobile's network ... your data speeds will slow to 2G. **You can't combine the "No data" option with a "No minutes" option in a Build Your Own ...