Why can I receive texts but can't send them on my LGG3

[AC Question]

My text messages won't go through but I can recieve them

 

[itguyjax8430]

My text messages won't go through but I can recieve them

Have you tried rebooting?

Current devices - T-Mobile Galaxy Note 4, Surface Pro 3 Core I5, and Nexus 9

Past Devices - Phones: Nexus 6, Nexus 5, Galaxy Nexus, Nexus S, Galaxy Note 3, Galaxy Note 2, Galaxy S5, Galaxy S4, Galaxy S3, Galaxy S2, HTC Incredible, HTC EVO 4G, HTC EVO, HTC Hero, Motorola Photon.

Tablets: Nexus 7 (2013), Nexus 7 (2012), Lenovo Yoga Tablet 2 Windows 8.1, Dell Venue 8, Galaxy Tab Pro, Galaxy Note 10.1 2014 Edition, Galaxy Note 10.1, Galaxy Note 8, Kindle Fire HD 8.4, Kindle Fire HD 7, Kindle Fire, iPad 2, iPad 1, Nook HD, Nook.