SBC Global is an AT&T subsidiary that offers local and long distance calling, TV and Internet services. SBC offers its customers a simple login portal via Yahoo!. Customers can sign in to SBC to view their calling history or any other details about their accounts via the login portal.
Open the Internet browser and visit the login portal for SBC via Yahoo.com.
Enter your email address and password in the respective text fields.
Click the “Sign in” button to log in to your SBC account.