Two simultaneous hardware faults - one in the North-West and one in Launceston - caused a major outage for Telstra's Northern Tasmanian customers today.
According to Telstra, up to 30 Next G stations and 49 GSM stations, as well as a number of corporate broadband networks.
The outage lasted for about two hours before Telstra technicians were able to restore service to the affected area.
Telstra said it apologised to customers for the inconvenience.