When you buy through our links, Business Insider may earn an affiliate commission. Learn more Plainly, people seeking a single-line phone plan should avoid major carriers like Verizon, AT&T, and ...

Plainly, people seeking a single-line phone plan should avoid major carriers like Verizon, AT&T, and T-Mobile and opt for mobile virtual network operators (MVNOs). From a value standpoint, MVNOs like ...