AT&T customers experienced a “nationwide issue” affecting their ability to call any non-AT&T users, the company announced Tuesday.
The issues were resolved around 8:30 p.m. ET — more than seven hours after users reported being unable to make calls.
“The interoperability issue between carriers has been resolved. We collaborated with the other carrier to find a solution and appreciate our customers’ patience during this period,” a spokesperson for the company told The Post.
AT&T clarified that the network did not experience a nationwide outage, walking back on their initial announcement that the issue affected users across the country.
The company confirmed that the issue only occured for calls between carriers, with communications between AT&T customers unaffected. Calls to 911 were also not impacted.
AT&T did not provide further specifics on the situation, but Down Detector – which tracks outages on all kinds of communication and online services – shows customers began reporting issues at around 1 p.m.
More than 3,000 issues were reported to the website by 5 p.m., 90% of which were related to cellular problems, according to the website.
Down Detector also lists New York City, Chicago, Philadelphia and Dallas among the cities with the most complaints.
Officials in Camden County, New Jersey have gone on social media to warn AT&T customers that the outage may impact their ability to call 911.
The company remains under investigation by New York Attorney General Letitia James and the FCC over another outage in February that lasted for up to 12 hours.
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