New York City hid a two-hour 911 outage from the public for months

By Alex Tanzer, 
updated on September 9, 2026

The Mamdani administration never planned to tell New Yorkers that their 911 system failed twice this summer, and only admitted to the second, secret outage after City Council members forced the disclosure at a public hearing.

Lisa Gelobter, commissioner of the city's Office of Technology and Innovation, sat before the Council's public safety committee on Wednesday and conceded what no city official had volunteered before: a 911 system failure in May knocked out text-to-911 service for roughly 110 minutes, blocking about a dozen emergency calls from reaching dispatchers. The administration never told the public. It never told the media. It had no plans to.

The hearing was called to address a separate, far larger 911 collapse on August 18, when a botched overnight software update left nearly 1,700 people unable to reach first responders over a seven-hour window stretching from 3 a.m. to 10 a.m. The administration had no plans to disclose that failure, either, until reporters broke the story.

A seven-hour blackout no one in charge noticed

The August 18 breakdown began after a software update was pushed to the 911 system overnight. By morning, callers across the city were hitting dead air. Four hours in, Gelobter told the committee, her own agency still could not identify the exact problem. She said roughly 70 percent of calls were getting through at that point, meaning three in ten were not.

No one at the Office of Technology and Innovation flagged the crisis to the city's Office of Emergency Management. OEM, the agency built to coordinate the city's response to exactly this kind of event, was left in the dark.

It took an NYPD staffer, not the tech office responsible for the system, to finally spot the widespread failure roughly seven hours after it started and alert OTI. The outage ended around 10 a.m., but the damage was already done: just under 1,700 people in distress had been unable to contact emergency services.

Weeks later, at the time of the hearing, Gelobter acknowledged that hundreds of those callers still had not been followed up with. The administration's internal review remained incomplete.

Feliz calls the secret May outage 'outrageous'

The May failure surfaced only because Council members pressed Gelobter under oath. The roughly 110-minute disruption blocked about 12 text-message calls for help, people who, by definition, were texting 911 because they could not safely make a voice call.

Councilman Oswald Feliz, the Bronx Democrat who chairs the public safety committee, did not hide his reaction. The New York Post reported that Feliz called the disclosure "wild" and then laid into the administration's pattern of silence:

"There was a two-hour outage, and the public was not told about it. Taking these outages and just sweeping them under the rug, keeping them a secret, is outrageous. This is so detrimental."

Feliz pressed the point further, noting the stakes for anyone relying on text-to-911:

"If people are texting, they are in imminent danger, a fire, medical."

People text 911 when they cannot speak, during home invasions, domestic violence, medical emergencies where the caller is losing consciousness. A two-hour blackout on that channel is not a minor technical hiccup. It is a life-safety failure.

Ariola: 'People could have died'

Councilwoman Joann Ariola, a Queens Republican, was more direct with Gelobter about accountability:

"People could have died because you were not doing your job."

Ariola also challenged the administration's decision to stay quiet after the August breakdown:

"Why wasn't the public notified? Systems break down; we know that but [the public] could not get help if it needed it. It should have been addressed much sooner."

Gelobter did not offer a clear explanation for the secrecy. She told the committee the city needs to "explore" some form of public transparency around 911 system failures, language that treats basic public notification as a novel concept rather than an obvious obligation. She added that officials "will try to make a list of all the stakeholders who should be notified in the future."

"Will try." "Explore." For a system that handles life-and-death calls every hour of every day.

No injuries confirmed, but no answers, either

Gelobter told the committee that no one had been seriously injured as a result of the August outage. But the administration's own review was not finished at the time of the hearing, and hundreds of the blocked callers had not been contacted. Without completing that follow-up, the city cannot know whether anyone was harmed.

The cause of the May outage was not disclosed at the hearing. The specific date in May was not provided. No one explained why OTI failed to notify the Office of Emergency Management during the August crisis, or whether that silence violated any existing protocol. And no official addressed whether additional undisclosed outages may have occurred beyond the two now on the record.

The City Council dragged these facts into public view. Without the hearing, both outages, one blocking nearly 1,700 callers, the other silencing a text-to-911 lifeline for almost two hours, would have stayed buried in an agency's internal files.

When a city government treats 911 failures as a communications problem to be managed rather than a public-safety emergency to be disclosed, the question is no longer whether the system failed. It is whether the people running it deserve the public's trust at all.

About Alex Tanzer

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