AT&T, T-Mobile, or Verizon, or any of the smaller carriers (MVNOs ... You do have to spend an initial $9.98 for the SIM kit which gives you a limited time 10-day FREE Trial with unlimited talk, text ...
The plans cost as low as $15/month, with unlimited calling and texting for all plans and access to high-speed data through T-Mobile's network ... phones that use SIM cards or eSIMs will be compatible.
As you can see in the image above, Sprint is still listed separately. However, since its merger with T-Mobile, the latter announced that it completed the shutdown of Sprint's 4G LTE network as of June ...