Thousands of ANZ customers were unable to access their accounts for hours this afternoon due to an outage which hit several of the bank's services.

Customers first reported issues on outage website Down Detector and ANZ's social media accounts from about 12.30pm (AEST).

An ANZ spokesperson said in a statement at 2.30pm (AEST) the issue had since been resolved.

"For a short period this afternoon customers may have experienced issues with some services including ANZ App and Internet Banking," a spokesperson said.

"We apologise for any inconvenience."

Customers who logged into internet banking were met with an error message.

"We are working to resolve this as soon as possible and apologise for the inconvenience this is causing," the error message said during the outage.

"ANZ ATMs

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