t-mobile=Worse customer service EVER!!!!

Just to set the record straight as soon as I can find a way out I'm switching companies. I am so sick and tired of t-mobile. So back in May I got me a T-mobile account started w/ a free phone. I signed up with flex pay so my bill would be the same every month without any surprise charges. So in order to get this I had to pay the 1st month up front. Okay no problem. I then received my phone 3 days later and for some reason had a 425 area code (this is for Washington, I live in Oklahoma) so I call them. First thing off the bat they tell me that I owe money and until I make my payment my account is suspended and so they can't make any changes...WTF!!! So they transfer me to accounting after being passed around they realized their mistake and fix it. I am then told I have to wait 3 days before I can make any changes on the account. (score me 1 tmobile 1) 3 days pass and I call them back to have my number fixed, they inform me that in order for them to change the number the have to charge me $15...I think not so I keep the stupid number (me 1- t-mobile 2). Well my monthly payments are suppose to be under $100 each month however each month I have been charged $100.46 whatever (me 1 t-mobile 3) Last week I added another line however they had to set it up as an individual plan and told me as soon as I received the phone call tmobile and have them change it to a family plan no problem. (me 1 t-mobile 4) We get the phone in the mail and it too is a 425 area code (me 1 t-mobile 5) I call t-mobile to get the plan switched to a family plan they said I had to wait 3 days (where have i heard this before) and then to just call back and there wont be a problem (me 1 them 6) I wait 3 days and call back on sunday like the lady said... and at this point I am informed they CAN'T change it to a family plan because they don't offer Flex Pay anymore. WTF!!!! Now I'm pissed because not only have I gotten the run around in the past but now I have been lied to. So after being passed around and around I am finally talking to a supervisor who says he's sorry but there isn't anything they can do. I'm not letting it go as nice as possible I tell him that I have been as patient and nice as possible and bring to his attention that most people that have been put through this would have been yelling and cussing. Also that lying to your customers is not good customer service. He then puts me on hold and comes back saying that he thinks he found a way to add me to a family plan but I would have to pay $85 up front...WTF um no. So then he said there isn't anything else he can do, but he would join the 2 accounts onto one bill. If I had the family plan my monthly bill after taxes would be about $150(give or take a dollar) however since they can't do the family plan I have to pay $170 (give or take  a dollar). That's $20 more. (me 1 them 7 well 8 if you count the lying) well today I log onto the account and they have yet to be joined. So I call them and find out that our new account has been suspended for non-payment. I provide the conformation number and everything they ask to verify the payment. After all that they join the two accounts and the bill now reads $281!!! WTF!!!!!!! So tomorrow I am calling them back and I don't care how many supervisors I have to talk to I am getting what was promised me or else I will use the loophole to get out of my contract and then I am switching to another company. This is bull, it should not be this difficult. I have always paid my bills on time and early at that. When I am told something I expect them to follow through. T-Mobile needs to work on their customer service, because this is ridiculous!!!!