The Federal Communications Commission’s Enforcement Bureau delivered an extraordinary cease-and-desist demand today to SK Teleco, a U.S.-based voice service provider identified as the primary conduit for a sophisticated robocall campaign that has impersonated Walmart employees and attempted to steal consumers’ personal information, including Social Security numbers.
The agency warned that if SK Teleco does not immediately and permanently block the fraudulent traffic and implement robust measures to prevent similar scams from using its network, the FCC will direct every other telephone provider in the United States to cease accepting any calls originating from or transiting through SK Teleco’s infrastructure. Such an order would effectively isolate the company from the national communications grid, a penalty the FCC has imposed only a handful of times in its history.
The scam in question relies on artificial voices identifying themselves as “Emma” or “Carl” and claiming to call from Walmart. Recipients are told that a high-value order – typically a PlayStation 5 special edition console bundled with a Pulse 3D headset, priced at $919.45 – has been charged to their Walmart account. The message instructs listeners to press 1 to cancel the supposed transaction or speak with customer support. Those who engage are transferred to live fraudsters who aggressively solicit sensitive personal data under the pretense of verifying or refunding the purchase.
Investigators from the FCC-sanctioned Industry Traceback Group, a consortium of major carriers and analytics firms, traced twenty-nine sample calls placed to wireless numbers between January 21 and April 11, 2025, directly to SK Teleco’s network. Extrapolating from call-volume data compiled by robocall blocking service YouMail, the campaign is believed to have delivered nearly eight million illegal robocalls nationwide during that period alone.
“Scammers and thieves using our phone networks to defraud consumers or steal personal data is illegal and voice service providers must be part of the solution. While most providers understand this responsibility, we won’t tolerate those that turn a blind eye and allow shady robocallers on their networks.” Said FCC Chairman Brendan Carr.
The Traceback Group formally notified SK Teleco of the illicit traffic on multiple occasions, providing detailed records of the offending calls and demanding an investigation. The company failed to acknowledge the notifications or take any visible remedial action, prompting today’s enforcement ultimatum.
Federal law prohibits the delivery of artificial or prerecorded voice messages to cellular phones without prior express consent or an emergency purpose. Given the blatantly fraudulent content of the calls, regulators consider it implausible that any legitimate consent could exist.
SK Teleco now faces a tight deadline: it has just 48 hours to demonstrate that it has fully stopped the current scam traffic and 14 days to prove it has installed permanent safeguards against recurrence of this or comparable illegal robocalls. Failure to satisfy either requirement will trigger the broader blocking mandate, which would render the company’s network unreachable by virtually every American telephone subscriber.
The action marks another escalation in the FCC’s ongoing campaign against gateway providers that serve as on-ramps for foreign-originated scam and spoofed calls. Regulators have grown increasingly willing to wield the ultimate sanction of network disconnection against domestic carriers that refuse to police their own traffic, particularly when consumer financial and identity data are at risk.
Consumer advocates hailed the move as a critical deterrent, while industry observers noted that the 48-hour window leaves SK Teleco little margin for error. If the company cannot or will not comply, its removal from the U.S. phone ecosystem could begin as early as this week, delivering a stark message to any remaining providers tempted to ignore illegal robocall activity on their networks.
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