ANZ has sparked fury amongst hundreds of Australians after it erected a new sign outside one of its branches. Instead of showing the branch's opening and closing hours, passersby have to scan a QR code to find the information.

A poll of more than 2,400 Yahoo Finance readers showed the majority (54 per cent) don't like using QR codes because they don't trust them. Chris Grice, National Seniors Australia CEO, told Yahoo Finance this type of tech can alienate older Aussies and others who might not be able to or know how QR codes work.

"You wonder whether someone has actually thought it through in terms of, 'Is this really good customer service?'" he said.

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He likened it to a Dr Seuss puzzle because the QR code doesn't actually provide information about that specific branch's opening hours.

Instead, it takes you to ANZ's 'Find Us' page, which you then have to search for the branch you're standing in front of, which will then give you the numbers you're looking for.

Many Aussies were fuming that essential information like operating hours would be buried within a code rather than just printed for all to see.

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"I'm siding with Boomers on this one, what the f**k?" said one concerned Aussie.

"The people who need to know the most are probably the same people who are not tech savvy enough to know what QR codes are," added another.

A third wrote: "Even for tech-savvy people, this is infuriating. The QR code doesn't take you straight to a page that shows you the opening hours... It's absolutely user hostile."

Another commented: "This is completely moronic. Why complicate something simple? Why should anyone go through multiple steps to find out info that SHOULD BE THERE???"

ANZ responds to outrage and explains reason behind QR codes

Many people pointed out that the branches could have just printed out their opening hours and no one would get upset.

However, an ANZ spokesperson told Yahoo Finance that there is a method to the madness.

"ANZ introduced QR codes so customers can access the most up to date information about our trading hours," they said.

"From time to time we may change our branch opening hours, as we wish to ensure our staff can be available when they're needed most – helping customers achieve their financial goals, whether it’s owning a home, growing a business, or managing their everyday banking needs."