Samsung Galaxy S4 Not receiving calls or texts?

[AC Question]

Samsung Galaxy S4 on Bell Network. Just started acting up, all calls going directly to voicemail and not receiving text messages. Can somebody please help me fix it?

 

[B. Diddy]

Welcome to Android Central! The first thing to do is typically to call your carrier. They might want to try a new SIM card, or there might be a network issue in your area.