T-Mobile users across the United States reported network outages late on Monday, according to an outage tracking website, as the company said it was quickly addressing a disruption that had affected some cellular services.

The U.S. wireless carrier said it was working on resolving a problem that had caused intermittent issues with voice, messaging, and data services in several areas. It did not say how many users had been affected.

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The number of reports of T-mobile outages over the preceding 24 hours had peaked at more than 83,000 at around 10:20 p.m. ET (0320 GMT), said Downdetector.com, which tracks outages by collating status reports from sources including user-submitted errors on its platform. The number had fallen to about 9,000 by midnight ET.

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T-Mobile's help page responded to Twitter messages from users experiencing problems, saying it would review the complaints. It provided no details on the extent of or reason for the outage.

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"Our teams are rapidly addressing a 3rd party fiber interruption issue that has intermittently impacted some voice, messaging and data services in several areas," T-Mobile's President of Technology Neville Ray said on Twitter.

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Downdetector also reported thousands of reports of services of other U.S. wireless carriers Verizon Inc and AT&T Inc being down. The website showed more than 2,000 unresolved incident reports for Verizon and more than 1,200 for AT&T at the peaks.

Verizon and AT&T did not immediately respond to requests from Reuters for comment.