Attempts were made to hack the phone of former defence secretary Liam Fox - though not while he was a government minister, he said.
Fox said he met police officers from Scotland Yard's hacking inquiry Operation Weeting last week to discuss the case.
His was among hundreds of high-profile names found in notebooks seized from private detective Glenn Mulcaire, who was employed by the News of the World, he said.
"Attempts were made to hack my phone," he said, though it remained "unclear what penetration there was". Details of his bank account and some financial transactions were also found.
The hacking attempts came in 2001, 2002 and 2006, Fox said, when he was a member of the shadow cabinet, at health, then defence.
Liam Fox resigned as defence secretary In October following allegations that he allowed a close friend improper access to the highest level of government affairs.
But he complained he had been the victim of a hate-filled "media frenzy".
On Wednesday he said he had "rediscovered the benefits of sleep and lunch," adding: "I've also realised how incredibly pigeonholed you can become in departmental politics."
"I think it's very easy when you're in the MoD trying to deal with an inherited massive overspend to get your head around the wider picture is quite fascinating.
"To be able to see things in their wider perspective is an instructive lesson to those of us who have been in those big cabinet jobs, that perhaps we needed to spend more time thinking about what was happening outside and not just inside."
Some 1,800 people have come forward to express fears that they may have been hacked but the final total of people whose phones were hacked by the News of the World will be about 800, the force believes.