Mobile networks Sky mobile and O2 are down for some customers.
Both Sky mobile and O2 customers have reported issues being able to send and and receive texts, as well as being able to access the internet.
The website DownDetector reported that outage began at around 12.25pm this afternoon (December 7) with over 2000 customers reporting issues so far.
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Customers have taken to social media to express their concern.
One Twitter user wrote: "Me and my family who are all on sky have got no signal whatsoever, no data, calls and texts wont go through yet I have full bars, is this to do with the weather?"
Another added: "Sky mobile just stopped working."
A third wrote: "What's going on with Sky/O2 network? Seems down everywhere."
Both Sky mobile and O2 have shared updates on their websites.
Sky wrote: "We are aware that some Sky Mobile customers are experiencing intermittent issues with their service right now. We are investigating the issue and we are sorry for any inconvenience this may be causing.
"You might not be able to get online or make/receive phone calls. We are investigating this and will provide an update as soon as possible. We're sorry for any inconvenience caused.
O2 added: "We’re aware of an issue that may be affecting some Sky Mobile customers. The issue is not impacting O2 customers calling other mobiles or using other services. Updates will be shared here as soon they are available."
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