TextNow - TextNow is a mobile virtual network operator (MVNO) that provides a free phone service to users by using other cellular networks coverage.
Tello - Tello is a mobile virtual network provider that provides users with the 4G LTE network coverage.
Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
US Mobile - US Mobile is a platform that offers a wireless network to users for tablets and phones.
RingCentral - RingCentral is the leading provider of cloud-based communications and collaboration solutions for small business and enterprise companies
Ultra Mobile - Ultra Mobile is a platform that offers users unlimited text, talk, and data services to users through its 4G LTE network.