Service has been restored to TD Canada Trust customers after a computer glitch shut down TD bank machines as well as Internet and telephone banking across the country on Saturday.

The bank, which services about 13 million customers, suffered computer trouble in Toronto at around 11 a.m. that paralysed its national network.

"Basically, it is a computer glitch," said TD Canada Trust spokesman Jeff Keay.

Calling it a "significant disruption," he said technicians worked throughout the day to fix the problem. The network was back up by 10:15 p.m.

Customers across Canada had a hard time getting any money Saturday. Service was only being provided from tellers at customers' home branches -- that is if they open at all on Saturdays.

Even if the branches were doing business, customers had to contend with enormous lineups. Some branches reportedly closed early for the day.

"I think it's kind of a lesson that you need not rely so much on the cards," said customer Lisa Milroy.

Debit card services functioned intermittently during the disruption while bank branches were also affected.

Keay would not disclose the nature of the problem, although he did say it was associated with computer memory and not related to sabotage.

"We didn't get hacked, or anything like that."

TD Canada Trust customers suffered a similar problem almost exactly five years ago.

TD has been known as TD Canada Trust since a 1999 merger that saw Canada Trust buy Toronto Dominion for $8 billion.