Yes, this is possible. Verizon does not block port 21.
You can use the DYNDNS service to enable a dynamic DNS name for your FTP server so you dont have to get the ip address everytime.
Technically, this may violate the terms of service, but as long as you dont use it too much, you should be ok.
Written by Ken Loesch-fiosfaq
Last updated on 05.20.07