AT&T Triple Cut SIM card.
You can buy the sim card from local stores
Here are the links
https://www.walmart.com/ip/AT-T-PREPAID-Sim-Card-Kit/119019437
https://www.target.com/p/at-38-t-prepaid-sim-card-kit-nano-blue/-/A-78860883
https://www.bestbuy.com/site/at-t-sim-kit/6377453.p?skuId=6377453
https://www.familydollar.com/att-prepaid-sim-card/FD2199038
It is not required to buy a sim card from us in order to use it with the plan.
Mary H –
Thank you for your help. I appreciate it.