AT&T is cranking up the volume in its fight with California regulators, hauling the battle into federal court while dangling a massive internet upgrade in front of the state. The company says it will pour $19 billion into California to move customers off aging copper landline networks and onto fiber and wireless service, and it is warning that retirements of traditional landlines could start as soon as June 1, 2027. The move follows months of packed public hearings and a series of regulatory defeats in Sacramento and San Francisco.
As reported by The Mercury News, AT&T has filed two petitions with the Federal Communications Commission and a federal complaint that names the California Public Utilities Commission (CPUC) and the state attorney general's office. In a company news release, AT&T cast the filings as part of a managed “transition” to faster, more resilient services, repeated the $19 billion investment pledge and noted that only about 3% of the California households it serves still rely on traditional phone service. The company said affected customers would be offered upgraded products and hands-on support during the transition.
Regulators Pushed Back
The CPUC previously rejected AT&T’s attempt to shed its status as the state’s carrier of last resort, saying the company had not proved that alternative providers would be available for every customer in areas that could lose traditional landline service. Regulators pointed to an extensive public record and launched a fresh rulemaking to rethink how carrier-of-last-resort obligations should work as networks modernize. Public comments and local reporting showed thousands of Californians warning that wireless and broadband service can cut out during wildfires, storms or other emergencies just when they are needed most. The California Public Utilities Commission outlined its reasoning in a public decision, while local coverage highlighted the depth of concern from residents up and down the state.
AT&T’s Backup Plan
AT&T says it is not simply pulling the plug and walking away. The company points to replacement offerings such as AT&T Phone - Advanced, a device that connects over cellular or broadband and comes with battery-backed e911 capability, and it is promising targeted discounts and outreach for vulnerable customers. Executives argue that modern fiber and bolstered wireless networks are more efficient to operate and will ultimately prove more reliable. AT&T’s own product materials detail how battery backup works on the new devices and where the limitations are. Critics counter that these transition tools are not a one-to-one substitute for hardwired copper, especially in the worst emergencies, and say customers should not be forced to find that out in the middle of a disaster.
Community Pushback
On the ground, lawmakers, consumer advocates and everyday residents have been sounding the alarm, warning that removing landlines could leave people stranded in blackouts and natural disasters, particularly in places where cell or broadband coverage is already shaky. Local advocates have pointed to recent wildfires and power outages as real-world examples where old-school copper lines kept working while other systems failed. Elected officials, including Representative Ro Khanna, have urged regulators to keep landlines available for those who depend on them, and some residents have told reporters they do not trust broadband or cellular networks to work in a disaster. KQED and other local outlets have tracked those fears in detail, while also noting AT&T’s argument that maintaining legacy copper service is expensive and diverts resources from upgrades.
Legal Stakes
Underneath the technical jargon is a straightforward power struggle. AT&T is asking federal officials to clear a smoother path for its network modernization plans, while California regulators insist that state carrier-of-last-resort rules are essential to protect residents’ access to emergency service. The outcome could set the tone for how much federal preemption can override state public-safety rules when phone companies want to retire copper, a decision that other states weighing similar transitions will be watching closely. Observers say the fight is likely to unfold across several fronts - the FCC docket, the federal court case and the CPUC’s rulemaking process - and could take months or even years before anything is fully settled. GovTech has covered how the clash fits into a broader national debate over carrier-of-last-resort rules and network upgrades.
What to Watch Next
All eyes now turn to a handful of key decision points: how the FCC handles AT&T’s petitions, how the federal court responds to the new complaint and how the CPUC shapes its updated rules. AT&T’s public statements say any shutdown of copper service would happen in phases and that June 1, 2027 is the earliest possible start date for those retirements. As state officials and consumer advocates gear up for what could be a long fight, Californians who still rely on copper-based lines for home alarms, medical monitoring or guaranteed 911 access are waiting to see exactly how those protections are written into any transition plan. We will be tracking the filings, hearings and regulatory notices as this legal showdown moves forward.
