One NZ internet customers are experiencing outages across the country.
It said the issue is under investigation.
The South Island and the lower North Island are experiencing the outages heavily, with Christchurch and Wellington listing the most outages on One NZ's outage map.
The company acknowledged the widespread outages under one report.
"We're aware of an issue affecting some of our cell sites and internet across the Lower North Island and the South Island. This may result in intermittent or no service for some customers in these regions."
The website Downdetector shows a spike in outages for One.nz this morning.
The website also shows issues for Spark and 2degrees.
There are comments on the post from people around the country who say their internet hasn't been working - although some also report it coming back in after 10am.
The website also shows issues for Spark and 2degrees.