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Supreme Court Upholds FCC Fine Process in AT&T and Verizon Customer Data Case

Quiver Data Analyst

The U.S. Supreme Court ruled 8-1 in favor of the Federal Communications Commission, upholding the agency’s process for assessing fines and rejecting a constitutional challenge brought by AT&T ($T) and Verizon ($VZ). The case stemmed from FCC penalties imposed after the agency found major wireless carriers had improperly sold access to customer location data without user consent.

  • The Supreme Court ruled that the FCC’s forfeiture-order process does not violate companies’ constitutional right to a jury trial.
  • The FCC fined AT&T $57 million and Verizon nearly $47 million over customer location-data practices.
  • The agency also imposed penalties of $80 million on T-Mobile and $12 million on Sprint, which was acquired by T-Mobile in 2020.
  • AT&T and Verizon argued the FCC’s in-house proceedings caused reputational harm before a court review.
  • The Trump administration defended the FCC’s enforcement framework before the Supreme Court.
  • The ruling follows another Supreme Court decision in 2025 that upheld the FCC’s broadband and telecommunications funding program.

Relevant Companies

  • AT&T ($T) – The company challenged the FCC’s fine process and was assessed a $57 million penalty related to customer location data practices.
  • Verizon ($VZ) – Verizon’s nearly $47 million FCC penalty was directly at issue in the Supreme Court case.
  • T-Mobile ($TMUS) – The ruling reinforces the FCC’s enforcement authority over carriers, including T-Mobile, which previously faced an $80 million penalty.

Editor’s Note: This is a developing story. This article may be updated as more details become available.

About the Author

Matthew Kerr is a data analyst at Quiver Quantitative, with a focus on single-stock research and government datasets. Prior to joining Quiver, Matthew was an analyst intern at BlackRock.

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