Eyewitness News received several emails and phone calls from viewers wondering what was going on.
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It appears only AT&T wireless customers were affected. If you go onto the company's website to check outages, you saw this message:
A message on the company's website said there was a network issue in the area, and things are expected to be back to normal by Monday.
ABC13 reached out to AT&T but hasn't heard back.
Reports of the outage began surfacing around 12 a.m. Customers began noticing service again by around 6 a.m.
Data from a user report and problem indicator company, Down Detector, shows it's received reports of network outages in Houston, San Antonio, Dallas, and parts of Georgia and Kansas.
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Houston, Katy, Cypress, and Spring are among the most reported locations.
AT&T hasn't said how many users are impacted, but data from Down Detector shows more than 2,500 customers were without service at about 1 a.m. on Sunday.
If you are still experiencing outages, you can make calls and receive messages with Wi-Fi.