Eliyahu Haj There are a lot of unhelpful jerks on these forum so it is best to ignore those people and only communicate with the ones who are helpful ( like Andy) and provide substance and ignore the idiots that make stupid comment like "Just get a visa" as they obvious don't know your situation.
Many expats think because they have been here a long time they can be jerk offs to those who are still trying to figure things out as if they werent in your shoes before. I wish you luck and safe travels.
Talk to a Visa agent or a Thai immigration law firm. Most provide free consultations. I wouldn't take advice from random people on a forum. Expatden.com is a great resource.
For $15 a month sign up for Tello. I live in Thailand and use that service for my US number. Sign up while still in the US. I guess I am assuming your in the US.