@jordanfaulkner There are some really good suggestions by @softech! Another thing you can try is removing the SIM from your phone. I have had this happen to me in the past with a different service provider, all my texts and calls would send but I cou...
No you don't need a new SIM card. The new phone should be able to take your current one. The only time this may be an issue is if thew new phone takes a larger SIM card configuration then your current phone.