SunCom is WorryLess Wireless.WorryLess Wireless is our way of saying, “Go ahead, enjoy your day more.” All thoughts and worries of going over your minutes or where or when you can make a call, or finding convenient service are taken care of with SunCom’s people who make up our homegrown customer-care operation and simple, straightforward plans, instant rebates and pricing options.SunCom Wireless provides service across North and South Carolina, northern Georgia, parts of eastern Tennessee and southwest Virginia. Coupons, promo codes, deals, and $5 cash back savings for SunCom Wireless.