Straight talk uses various cell providers in different areas. Verizon Alltel T mobile and AT&T are the most common so ask at your area walmart what is most prevalent. Unless you are bringing your own phone unlocked from another carrier it wont matter
Straightalk phones are sooo worth it as it cuts bill in half at least from the big carriers even verizon prepaid is 80 plus tax and fees per month and is only 1-2 gigs of plan data and st is 45 a month and taxes bring it to just under 50 plus first 5 gigs are 4glte. Just a little info for bidders.