Restrict access to area code 900 from your home phone.
Control area code 900 access
Note: This article applies to AT&T local home phone service. Don't have traditional phone service? Find information on digital phone service or wireless service.
The 900 area code is commonly used by entertainment or informational services that can carry considerable per-call or by-the-minute charges. By activating the 900 Call Block feature you can restrict access from your phone to numbers that begin with the area code 900.