Google Voice - Google Voice gives you one number for all your phones, voicemail organized in an email format, free...
Tello - Tello is a mobile virtual network provider that provides users with the 4G LTE network coverage.
TextMe - TextMe is a free calls and messaging application at both local and international levels.
US Mobile - US Mobile is a platform that offers a wireless network to users for tablets and phones.
Talkatone - Android App on. Google Play. Stop paying for cell minutes, texts & landlines; Turn your iPad or iPod touch into a phone; Call/Text even in areas with bad cell coverage; Call/Text when travelling without paying for expensive international minutes.
Ultra Mobile - Ultra Mobile is a platform that offers users unlimited text, talk, and data services to users through its 4G LTE network.