T-Mobile collects detailed information about how you use your phone — including who you call, when, and from where — and may use that data for marketing unless you opt out.
This analysis describes what T-Mobile's agreement states, permits, or reserves. It does not constitute a legal determination about enforceability. Regulatory applicability and practical outcomes may vary by jurisdiction, enforcement context, and individual circumstances. Read our methodology
CPNI includes sensitive call detail records and location-adjacent usage data; without opting out, this data can be used to market additional services to you across T-Mobile's family of companies.
Your call history, data usage patterns, and technical service information may be used for marketing additional T-Mobile products unless you affirmatively opt out by calling or logging into your account — this is a concrete action you can take to limit how your usage data is used.
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California law gives residents the right to know what personal information we collect, use, share or sell; to delete personal information under certain circumstances; to opt-out of the sale or sharing of their personal information; to correct inaccurate personal information; to limit the use and dis...
If you would like to opt out of the disclosure of your personal information for purposes that could be considered "sales" for those third parties' own commercial purposes, or "sharing" or processing for purposes of targeted advertising, please visit the following link, which is also available in the...
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"T-Mobile collects Customer Proprietary Network Information (CPNI), which is information about the quantity, technical configuration, type, destination, location, and amount of use of your service. T-Mobile may use your CPNI within its family of companies for the purpose of providing wireless telecommunications services and for the marketing of additional communications-related services, unless you opt out. You may opt out of T-Mobile's use of your CPNI for marketing purposes by calling 1-800-T-MOBILE or visiting your account online.— Excerpt from T-Mobile's T-Mobile Terms and Conditions
REGULATORY LANDSCAPE: CPNI use and disclosure is governed by Section 222 of the Communications Act (47 U.S.C. Section 222) and FCC implementing rules at 47 C.F.R. Part 64, Subpart U. The FCC has historically enforced CPNI rules aggressively, including against T-Mobile specifically in prior enforcement actions related to CPNI data breaches and unauthorized disclosures. Marketing use of CPNI within a carrier's family of companies for communications-related services is permitted on an opt-out basis under FCC rules, but use for non-communications marketing or sharing with third parties outside the family of companies requires opt-in consent. GOVERNANCE EXPOSURE: High. T-Mobile has faced prior FCC enforcement actions related to CPNI handling and data security. The agreement's statement that CPNI may be used within its 'family of companies' should be mapped against the current T-Mobile corporate structure to confirm that all entities receiving CPNI fall within permissible FCC categories. Any expansion of CPNI use beyond communications-related marketing would require opt-in consent and a separate compliance review. JURISDICTION FLAGS: California's CCPA provides additional rights regarding the use of personal information, which encompasses CPNI-equivalent data in the consumer privacy context. California residents may have additional opt-out and deletion rights beyond the FCC framework. State wiretapping and communications privacy laws in certain jurisdictions may impose additional constraints on CPNI use. CONTRACT AND VENDOR IMPLICATIONS: Any vendor or partner receiving CPNI from T-Mobile must be assessed against FCC third-party CPNI disclosure rules, which require opt-in consent for disclosure outside the carrier and its agents. Vendor data processing agreements should be reviewed to confirm CPNI handling obligations are contractually imposed and auditable. COMPLIANCE CONSIDERATIONS: CPNI opt-out requests must be processed, documented, and honored in a manner consistent with FCC rules. Compliance teams should audit the opt-out mechanism's functionality (both phone and online channels), confirm that opt-out status persists through account changes or system migrations, and maintain records sufficient to demonstrate compliance in the event of an FCC inquiry.
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CPNI includes sensitive call detail records and location-adjacent usage data; without opting out, this data can be used to market additional services to you across T-Mobile's family of companies.
Your call history, data usage patterns, and technical service information may be used for marketing additional T-Mobile products unless you affirmatively opt out by calling or logging into your account — this is a concrete action you can take to limit how your usage data is used.
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