Phone network sharing
Talk America v. Michigan Bell Telephone
In brief
The Supreme Court overturned the Sixth Circuit and said incumbent phone companies must offer existing network-connection lines at rates based on cost when competitors use them to connect networks.
- Where it stands
- Decided
Decided · June 9, 2011 · Opinion by Justice Thomas
- What it’s about
- Talk America disputed whether Michigan Bell (AT&T Michigan) had to make its existing network-connection lines available for linking the carriers’ networks at cost-based rates.
- Who it affects
- Incumbent local phone companies must make existing network-connection lines available to competitors at rates based on cost when used to connect networks.
Summary: written with AI from the case record.

What it's about
The Supreme Court overturned the Sixth Circuit, accepting the FCC’s reasonable interpretation that federal law requires access at those rates when the lines are used for interconnection.
The dispute concerned whether federal rules requiring established local phone companies to share network access with competitors also covered existing lines used to connect networks.
Question presented
Does federal law require local telephone companies, already established, to allow new competitors in their markets to link to the existing networks through connecting wires at low, government-regulated rates?
What the Court decided
Holding
The FCC has advanced a reasonable interpretation of its regulations— i.e., that to satisfy its duty under §251(c)(2), an incumbent LEC must make its existing entrance facilities available to competitors at cost-based rates if the facilities are to be used for interconnection—and this Court defers to the FCC’s views. 597 F. 3d 370, reversed.
- Result
- Reversed
The Court's reasoning
The Court said the Federal Communications Commission reasonably interpreted its rules to require incumbent phone companies to provide existing network-connection lines at cost-based rates when competitors use them to connect networks. The Court deferred to the agency’s interpretation.
The vote
- Majority author
- Clarence Thomas
What's next
Courts applying this ruling must follow the Supreme Court’s interpretation. The record does not specify whether any further proceedings took place in this case.
Documents
Opinions
Audio
Docket activity
New analysis added
AI analysis generated: Case Briefing
New analysis added
AI analysis generated: Impact Analysis
AI analysis generated: Opinion Summary
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AI analysis generated: Decision Record
Case data updated: summary, question_presented, generation_metadata
Case data updated: question_presented, extraction_metadata
Audio Recording added: Oral Arguments - Talk America, Inc. v. Michigan Bell Telephone Company, dba AT&T Michigan
Opinion added: Talk America
More questions
- What are entrance facilities?
- They are existing lines used to connect telephone networks.
- What did Justice Scalia say about the FCC’s interpretation?
- He said it was the fairest reading of the agency’s orders and that he would reach the same result without relying on deference to the FCC.
Sources
Primary materials plus reporting. Best-effort analysis: this explainer relies on a mix of primary materials and trusted secondary sources. Official filings and opinions remain authoritative.