I Cant Get Into My Fb Account. Cant Get Security Code,have New Cell#

Hi,I sure hope you can help me.I am actually losing sleep over this issue.I upgraded my browser to IE9 . I went to go to my facebook page and they asked me to log-in with my e-mail and password.I did this and it sent me to a page saying, ENTER A SECURITY CODE.Here is the problem,I had recently changed mobile phone carriers and got a new cell #.I didnt realize how important your cell no# is in your facebook account.The only way Facebook will send your security code is via text to your cell phone.I no longer have access to the number they have,so I cannot receive the security code.I have changed my password 5 times,filled out countless help forms,tried to change the settings in my internet options as they asked(dont know if I changed them all) or did it right. I then got one of my FB friends to go to my profile and get my URL For me.I filled out that form with everything they asked.I even had to describe my profile picture.They said all my info was correct,to reset password -again and log-in.Well I did and guess what?It brought me right back to that same page that says ENTER SECURITY CODE!!With the old cell #.I have written to them countless times to explain that I have a new cell number,they kind seem to ignore that part when and if they answer at all.Its the Holidays,I miss my friends and relatives that live out of State.I am completely depressed and I do not know what to do.Can you help me?