Sustainability Accounting Standards Board (SASB) Index

• U.S.: 120.105 million
• Mexico: 24.680 million

AT&T does not disclose a number of fixed phone line service customers as defined by the standard.

Please see our Q4 2025 Earnings Statement.

Global broadband subscribers: 14.704 million

Please see our Q4 2025 Earnings Statement.

• Percentage on cellular network
• Percentage on fixed network

At the end of 2025, our global network carried an average of 1 exabyte of data daily. AT&T is not able to provide a further breakdown of this data as requested, as it is confidential.

For more information on our network, see our Network Resilience and Innovation & Responsible Technology issue briefs.

• Total energy consumed (Gigajoules)
• Percentage grid electricity
• Percentage renewable energy
• Data center Power Usage Effectiveness

FY2025 data will be available in Q2 2026.

Our Privacy Notice explains how we use and protect consumer information, and the choices consumers can make about how their information is used.

For more information on AT&T’s data protection and security practices, please see our Privacy issue brief.

• Percentage who have opted in

• Number of customers whose information was requested
• Percentage resulting in disclosure

Like all companies, we are required by law to provide information to government and law enforcement entities, as well as parties to civil lawsuits, by complying with court orders, subpoenas, lawful discovery requests and other legal requirements. The AT&T Transparency Report provides (1) specific data regarding the number and types of legal demands to which we responded that compelled AT&T to provide information about (a) communications or (b) our customers, as well as (2) information permitted by law to be disclosed about Foreign Intelligence Surveillance Act demands. 

• Percentage involving customers’ personally identifiable information
• Number of customers affected

AT&T is not able to provide information on data security breaches, as it is confidential.

For more information on our data protection and security practices, please see the AT&T Privacy Center website and our Privacy and Cybersecurity issue briefs. 

For details on our managerial approach to security, please see our Cybersecurity issue brief. 

• Reused
• Recycled
• Landfilled

• Reused or sold: 94%¹
• Recycled: 6%¹
• Landfilled: 0%¹

We refurbish and resell recovered devices whenever possible, including selling certified pre-owned phones through a program that rolled out in 2025. When devices can’t be used in their entirety, we work with vendors to recycle them responsibly. We require that our U.S. device recycling vendors maintain R2 certification, confirming adherence to responsible electronics recycling standards, including the Restriction of Hazardous Substances in Electrical and Electronic Equipment Directive and the Waste from Electrical and Electronic Equipment Directive. 

For more information, please visit our Circularity issue brief. 

Throughout 2025, AT&T had no material losses related to litigation or non-appealable regulatory decisions involving anti-competitive behavior.

• Owned and commercially associated content
• Non-associated content

AT&T does not favor certain websites or internet applications by blocking or throttling lawful internet traffic on the basis of content, application, service, user or use of non-harmful devices on its broadband internet access services.

In the provisioning of broadband internet access services, AT&T does not directly or indirectly favor some traffic over other traffic in exchange for consideration from a third party or to benefit an affiliate, except to address the needs of emergency communications, law enforcement, public safety (including FirstNet) or national security authorities, consistent with or as permitted by applicable law.

For more information on our approach to network traffic management, see the AT&T Broadband Information: Network Practices webpage. For information on the expected and actual performance of our wireline and mobility network services, see the AT&T Broadband Information: Performance Characteristics webpage.

• System average interruption frequency
• System average interruption duration
• Customer average interruption duration

• System average interruption frequency: 0.1188
• System average interruption duration: 8.0551
• Customer average interruption duration: 67.8075

• System average interruption frequency = total unplanned interruptions/total customer ports
• System average interruption duration (in minutes) = total unplanned interruption duration/total customer ports 
• Customer average interruption duration (in minutes) = total number of customers interrupted in each incident multiplied by the duration of each service disruption/total number of customers interrupted

Our global team of certified business continuity experts uses a risk-based approach to develop business resumption plans. This is guided by our Business Continuity Management Program which covers management disciplines, processes and techniques for supporting employees and critical business operations during significant disruption. The program is certified to ISO 22301:2021 and aligns with: Disaster Recovery Institute International Professional Practices, Business Continuity Institute Good Practice Guidelines, Federal Emergency Management Agency National Incident Management System and ISO 31000. Our alignment with these standards indicates our readiness to resume business operations and deliver customer service in the vital hours and days after a disaster. 

For additional details on our managerial approach, please see our Network Resilience and Cybersecurity issue briefs and our Network Practices website.