https://www.t-mobile.com/cell-phone-plans?
Existing Single-line or New Customers a 3rd Line for Free (exclusions may apply) via Monthly Bill Credits.
qualifying credit and Essentials, Magenta or Magenta Plus plan required. Credits may take up to 2 bill cycles; credits will stop if you cancel any lines.
Existing Single-line or New Customers a 3rd Line for Free (exclusions may apply) via Monthly Bill Credits.
qualifying credit and Essentials, Magenta or Magenta Plus plan required. Credits may take up to 2 bill cycles; credits will stop if you cancel any lines.