Your iPhone is not just a wonderful device that keeps you connected with the
world but also a status symbol for you.

You are using a post paid plan and just received a bill mentioning a charge
for a service you never used. You want this additional charge to be removed
form your invoice but do not know how to contact Apple. 

Dial 1-877-916-7666, a toll free iPhone support help centre to get answers to
your questions and solutions to all your issues related to your iPhone. This
one number is applicable over entire U.S and it remains open on all 24 hours
on all 7 days of the week. 

<https://www.assistanceforall.com/services/apple-support/apple-iphone-support/>