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AT&T has filed a lawsuit against California, seeking to end state mandates that require the company to maintain aging copper landline infrastructure.
AT&T has initiated legal action against the state of California, challenging regulations that require the company to continue providing traditional landline phone service as a Carrier of Last Resort (COLR) [1]. The telecommunications provider filed the lawsuit in the U.S. District Court for the Southern District of California, naming the California Public Utilities Commission (CPUC) and the state attorney general as defendants [1].
Key takeaways
The legal dispute follows a June 2024 decision by the CPUC to reject AT&T’s request to eliminate its COLR obligations [2]. Under these rules, the company is mandated to provide landline service to any potential customer within its designated territory [3]. AT&T contends that these state-sanctioned regulations are superseded by federal law and hinder its ability to modernize its network [1]. The company has stated that it has already secured relief from similar requirements in 20 other states, leaving California as the sole remaining regulatory roadblock to phasing out its copper-based services [2].
AT&T argues that the aging copper infrastructure is not only costly but also unreliable, noting that it has experienced roughly 2,000 outages this year due to copper theft [2]. Beyond financial and security concerns, the company claims that transitioning away from copper would provide ecological benefits, potentially saving 300 million kilowatt-hours annually by 2030 [1]. While AT&T aims to move customers toward IP-based or wireless services, it has clarified that it does not intend to replace all copper installations with fiber-optic technology, preferring a "wireless first" approach in certain areas [1].
The outcome of this case could set a significant precedent for how legacy telecommunications infrastructure is managed as consumers shift toward mobile and broadband alternatives [1]. While AT&T emphasizes the obsolescence of copper, the state of California has expressed concerns regarding the reliability of alternative services, particularly for rural or marginalized communities that may rely on landlines during power outages or emergencies [1]. As the case moves forward, the court will weigh the company's desire to reduce maintenance costs against the state's interest in ensuring consistent, technology-neutral communication access for all residents [1].
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AI-assisted synthesis by the TrendWatcher Editorial Desk · sourced from 3 outlets · Jun 2, 2026 · How we report