nuclear test site on May 23-25, taking a step forward towards the denuclearization of the Korean Peninsula.
Kim has declared the development of the North's nuclear force complete and that it had no further need for the site.
At a ruling party meeting last month, North Korea had already announced that it has suspended all tests of nuclear devices and ICBMs and the plan to close the nuclear testing ground.
Pyongyang's pledge could open the way for airlines to route flights through North Korean airspace.
Pompeo had met previously with Kim while Central Intelligence Agency director, flying secretly to North Korea over the Easter weekend to discuss the possibility of a summit meeting with Trump and negotiations over North Korea's nuclear program.
It also said North Korea will provide all global journalists with charter flights from Beijing to North Korea's Wonsan, and from there, they will be offered a special charter train to Pyunggye-ri.
Kim a year ago oversaw a string of missile and nuclear tests, drawing the ire of the global community.
Talking Friday, Pompeo mentioned any settlement with North Korea must embrace a "sturdy verification program" to make sure that Pyongyang complies.
A day after returning from a visit to Pyongyang, US State Secretary Mike Pompeo said Washington could help bring economic prosperity to isolated North Korea.
"(North Korea) will, also in the future, promote close contacts and dialogue with the neighboring countries and the worldwide society so as to safeguard peace and stability on the Korean Peninsula and over the globe", the ministry also said.
On Thursday, it was confirmed that Mr Kim would finally hold a highly teased meeting with US President Donald Trump in Singapore on June 12th.
Trump and South Korea's President are due to meet on May 22 at the White House. "A lot of very good things have happened", Trump said as he greeted the three former prisoners at Joint Base Andrews in Maryland.
"I actually assume he desires to do one thing and convey the nation into the actual world", he added of Kim.
"I think there is complete agreement about what the ultimate objectives are", Pompeo said, though he declined to offer more detail.