At one time when this problem first started did the door lock as you pulled the handle to open it?
It sounds like the lock lever jambed next to the unlatch pawl in your door latch. Lower your window all the way. Gently pull the top of the door panel up and over the top of the door frame towards the inside of the car. Look into the door with a flashlight and you will see the latch has a plastic cover. Take a long screwdriver and pry on this cover until it is off. (it just has a tab that will release) In the middle of the latch you will see a metal square looking piece. Push down on this with a long rod or whatever and the door should open. There is no way to get the door panel off with the door closed. If you are not comfortable doing this, most tow companies can slim jim it open. I know this sounds like a lot but one step at a time and it is not that hard. You will probably find the latch needing replacement. Seen this many times.