Emergency calls placed through the 911 system were affected in at least seven states during a Monday night loss of service.
Entergy has warned that the hardest-hit areas may be without power for weeks, as "restoration may be hampered by flooding, blocked access, or other obstacles."
"We have received reports of users being unable to visit the Zoom website (zoom.us) and unable to start and join Zoom Meetings and Webinars," the company said, confirming reports of outages.
More than a million people across New York and New Jersey are without power, with energy companies warning that restorations could take days.
The energy company says restoration work in the hardest-hit areas could continue through the weekend.
"My Snapchat's aren't coming through and it comes up at the top with a grey error when I refresh," one frustrated user wrote to a verified support account on Twitter today.
DownDetector, a website that tracks the availability of websites, confirmed that problems had been recorded in a variety of locations spanning the U.S., from New York to San Francisco.
The Petnet SmartFeeder—which lets users automate the supply of portions of food to their cats or dogs at home with the help of a smartphone application—has been blasted on Twitter by impacted owners.
DownDetector, which tracks website outages, recorded a sharp spike in problems today, with a live map showing mounting connection issues in the U.S. and Europe.
A Comcast outage is affecting Voice over Internet Protocol (VoIP) customers and police have issued advice to Connecticut residents.
Internet mapping tools and security analysts indicate new internet downtime aligned with the government's admission that its military shot down Ukraine International Airlines Flight 752.
Residents of the Washington DC and surrounding areas have reported Xfinity outages apparently due to planned maintenance work.
A guide on how to prepare for a power outage, including what to put in an emergency kit and how to develop an evacuation plan.
Tweetdeck was down and the users are taking their complaints to the four corners of the internet.
"People are sending things once but it's coming up 2-3 times," one Slack user complained on Twitter as the workplace chat app went into meltdown.
Discord is currently down and Twitter is going wild.
In a tweet from its @asktarget account, the company wrote that it is "aware of a systems issue in store and [is] working as quickly as possible to get this fixed."
Are YouTube and Snapchat down, not working? Entire regions of U.S. affected by social media outage.
Are Microsoft servers down or offline? Find out everything you need to know about the outages affecting Microsoft Azure, Office 365 Sharepoint and more.
Google users said today that Gmail was down and not working.
Sprint outages have been reported across the U.S.