Consumer association Which? said that free-to-use cash machines were disappearing quicker in deprived areas than in affluent ones.
Campaigners want Mr Javid to implement a cash guarantee for those who need it.
The industry network said that cash use was falling but work was being done to ensure nobody was left behind.
Cash or no cash – where do you stand?
Pay by cash? Not for long, report warns
The calculations from Which? suggest that hundreds of free-to-use ATMs are closing every month across the UK. The report breaks down the loss of free cash machines by parliamentary constituency.
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