Seventy-five thousand Telstra customers across the country experienced network outages on Saturday.

Internet ADSL and NBN services were down in some areas of NSW, Victoria, Queensland, WA, SA and Tasmania.

Telstra has been hit by another service outage. Credit:Louie Douvis

Irritated Telstra customers took to Twitter, with the hashtag #telstraoutage trending.

The website Aussie Outages received hundreds of outage reports since about 11am on Saturday.