Close my service of my account

Hello I wanted to cancel my service  before my bill got high and yes it did I tried calling and customer  service and having trouble  contact  with your company. I still have the phone on my account  but recent  my phone is damage  need to replace  my phone but you can email on what I have on my account.lost my job so I can't afford  this service. Pls STOP MY SERVICE IT WILL TAKE A WHILE TO LAKE A PAYMENT WHAT I OWN. THANK YOU FOR THE INCONVENIENCE  WITH MY ACCOUNT.THANK YOU