[](https://www.t-mobile.com/privacy-center) [](https://www.t-mobile.com/privacy-center) - [Privacy notices](https://www.t-mobile.com/privacy-center/privacy-notices) - [Privacy dashboard](https://www.t-mobile.com/privacy-center/dashboard) - [Education](https://www.t-mobile.com/privacy-center/education) - [FAQs](https://www.t-mobile.com/privacy-center/faq) [Contact us](https://www.t-mobile.com/privacy-center/contact-us) Our Companies [](https://www.t-mobile.com) Explore Education Education - [Your privacy around the web](https://www.t-mobile.com/privacy-center/education/web-privacy) - [About the Trust Center](https://www.t-mobile.com/privacy-center/education/trust-center) - [Bug Bounty program](https://www.t-mobile.com/privacy-center/education/bug-bounty) - Phone privacy - [At a glance](https://www.t-mobile.com#anchor-at-a-glance) - [Your voice calls](https://www.t-mobile.com#anchor-your-voice-calls) - [Your choices](https://www.t-mobile.com#anchor-your-choices) - [Our responsibilities](https://www.t-mobile.com#anchor-our-responsibilities) - [Have questions?](https://www.t-mobile.com#anchor-have-questions) - [Related links](https://www.t-mobile.com#anchor-related-links) - [Online safety and account protection](https://www.t-mobile.com/privacy-center/education/online-safety-cybersecurity) - [Family controls and privacy](https://www.t-mobile.com/privacy-center/education/family-controls) - [Biometric authentication](https://www.t-mobile.com/privacy-center/education/biometric-authentication) - [About personal data requests](https://www.t-mobile.com/privacy-center/education/about-personal-data-requests) - [Do Not Sell or Share My Personal Information](https://www.t-mobile.com/privacy-center/education/do-not-sell) - [Cookies and tracking](https://www.t-mobile.com/privacy-center/education/cookies-tracking) - [Your marketing preferences](https://www.t-mobile.com/privacy-center/education/marketing-preferences) YOUR PROTECTION # Phone privacy. __Time to read:__ 3 minutes __Last updated:__ June 12, 2025  ## Phone privacy. ## At a glance  __You have privacy rights, and T-Mobile has obligations,__ when it comes to certain data about your voice communications.  __By law, data about voice calls you make can only be used or shared for certain purposes,__ or with your permission.  __In some cases, we may be required by law__ to share information about the service you use.  ## Your voice calls As a telecommunications carrier, we collect and maintain information about our customers’ voice calls. We may use information about your voice-calling to identify offers for T-Mobile calling plans, protect against fraud, and respond to emergencies. Some of the information we collect about your voice calls may be referred to as customer proprietary network information or CPNI. This information is collected solely because of your relationship with us. CPNI may include details such as the type, destination, and amount of your voice-calling. CPNI may also include certain information contained in your voice service bills. Congress and the Federal Communications Commission (FCC) have created rules about how we handle CPNI that we follow to protect your privacy. Your CPNI doesn’t include your name, address, phone number, or the content of your phone calls. Phone call content has stricter protections under wiretapping laws. To learn more about how T-Mobile collects information regarding phone calls, visit our [__T-Mobile Privacy Notice__.](https://www.t-mobile.com/privacy-center/privacy-notices/t-mobile-privacy-notice.html "Read the T-Mobile Privacy Notice") ## Your choices Under federal law, you have the choice to approve or disapprove certain uses of your CPNI that are outside the scope of ordinary business operations, fraud prevention, or legal compliance. You have the option to access and manage your CPNI by visiting our [__Privacy Dashboard__](https://www.t-mobile.com/privacy-center/dashboard "Visit the Privacy Dashboard"). T-Mobile also gives you tools to manage who can access your CPNI. For most of our brands, if you’re the Primary Account Holder, you may designate other lines as Authorized Users, who then also have rights to access and manage your account information. That allows you to decide whether other people on your account will also have access to all the CPNI associated with your account—not just the line they are using. For more information, visit the [__Billing Responsible Party & authorized users support page__](https://www.t-mobile.com/support/account/billing-responsible-party-and-authorized-users-consumer#:~:text=What%20is%20an%20authorized%20user,add%20or%20remove%20authorized%20users "Visit our Billing Responsible Party & authorized users page").  ## Our responsibilities The FCC’s rules are complex. Some of the key requirements are that carriers must:  - Properly authenticate any party seeking access to CPNI. This means, for example, T-Mobile must provide mandatory password protection for online account access and require a valid photo ID for access in a retail location. We require a PIN code for any access to CPNI when you call us, and (except in Puerto Rico) we don’t release call details over the phone. - Notify you when your password or PIN is changed. - Investigate, notify you, and notify the FCC, FBI, and U.S. Secret Service if there’s intentional unauthorized access, use, or disclosure to your CPNI. - Annually file a certification with the FCC that we have processes in place designed to ensure compliance with the CPNI rules. We not only have to follow the law closely, we put our name on it. ## Have questions? For more information, read the [__T-Mobile Privacy Notice__](https://www.t-mobile.com/privacy-center/privacy-notices/t-mobile-privacy-notice.html "T-Mobile Privacy Notice") or [__contact customer service__](https://www.t-mobile.com/privacy-center/contact-us "contact customer service, with privacy questions") toll-free. ## Related links -  YOUR PROTECTION ### [Your privacy around the web](https://www.t-mobile.com/privacy-center/education/web-privacy.html.html) Take control of your privacy on websites outside of T-Mobile. -  YOUR DATA AND ADS ### [Cookies and tracking](https://www.t-mobile.com/privacy-center/education/cookies-tracking.html.html) Learn more about cookies, other online tools, and tracking technologies, including how they work. -  YOUR DATA AND ADS ### [About personal data requests](https://www.t-mobile.com/privacy-center/education/about-personal-data-requests.html.html) How you can access, delete, or correct the personal data we have about you. ## Hello! 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