Your Apple ID is the personal account that you use to access Apple services like the App Store, iTunes Store, iCloud, iMessage, the Apple Online Store, FaceTime, and more. When you change your payment method or billing address, your information also updates everywhere that you use your Apple ID.

If you change your payment method, make sure that your account information matches the credit card information on file with your financial institution.

iTunes is very well known service which is provides by apple. Apple corporation is one of the leading software & hardware producer company in the world. we all of known about the apple iTunes service. however iTunes service is very popular, safe and secure or easy to access but somehow lots of users face different types of problems with that and that time they searching iTunes customer service number for technical solutions.