AT&T nationwide mobile outage blocks 92 million calls
A misconfigured network element during an expansion caused AT&T's mobile network to fail across the US for around 12 hours; the FCC said more than 92 million calls were blocked, including some 25,000 to 911.
- Service
- AT&T Wireless
- Date
- 22 February 2024
- Cause
- Configuration change
- Duration
- 12 hours
- Status
- resolved
- Severity
- critical
- Region
- Global
- Source
- Fierce Network ↗
Cite this
Nuffield Consulting, “AT&T nationwide mobile outage blocks 92 million calls”, The Daily Tech Wire outage & breach log, 22 Feb 2024. https://techwire.nuffieldconsulting.com/incidents/2024-02-22-at-t-wireless-outage/ (retrieved 15 Nov 2026).
This entry summarises public reporting. Please also cite the original source: Fierce Network, https://fierce-network.com/wireless/fcc-reports-atts-nationwide-outage-february.
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