Phone bills for service and usage are not usually reported to major credit bureaus, so you won't build credit when paying these month to month. However, through certain credit monitoring services, you can manually add up to 24 months of payment history to your report.
Sadako was the main influence on Samara Morgan from the 2002 American remake, The Ring and its sequels, The Ring Two and Rings. She was played by Daveigh Chase, Kelly Stables and Bonnie Morgan, respectively.