Did a search and found this, We'll see if we can find more..
Found this: PDF Manual to what I think is for Family Base:
If you are having trouble canceling this feature via your on-line MyVerizon account, call Customer Service and they can cancel it for you. When you get the phone tree, press 4 and say Agent.
Dial *611 from a cell phone
Monday - Sunday 6 am - 11 pm