Hard time of transfering my line from xfinity

I want to do a transfer for my line from Xfinity to Tmobile i had been getting difficulties and hassle its been 5 days. Tmobile is saying the information is mismatching while we verified everything and is correct.xfinity is giving us hard time i cant transfer my line for 5 days when it can be done transferring lines less than 10 min. There is nothing wrong with the account information everthing is right the address i got transfer which expires after 24 hours i got account mumber the sim lock is off.Any help