England is scheduled to tour Pakistan from October 22 while India is proposed to play from January 2, 2006. Both the teams will play three Tests and five One-Day Internationals each in Pakistan.
"After the interest the Twenty20 Cup evoked last month, we are not averse to playing Twenty20 matches against England and India on the coming tours," PCB Director Board Operations Abbas Zaidi said.
"The position now is that if either England or India or both want to play one-off Twenty20 matches on the coming tours, we might agree to it," he was quoted as saying by 'The News'.
The first Twenty20 Cup final in Lahore drew a crowd of around 40,000 a record for any domestic match held in Pakistan.
"There is no doubt that the interest the inaugural tournament generated surprised us and the sponsors," Zaidi added.
English and Wales Cricket Board had offered to play a Twenty20 match against Pakistan on their tour but the PCB Chairman Shaharyar Khan had declined the offer then saying it was still not recognised or promoted by ICC.
The PCB, however, changed its mind in the backdrop of growing popularity of this version.
Zaidi also said that if India and England agreed to play Twenty20 matches they would not be big extravaganzas.
"We would more like to gauge the reaction such matches evoke among the people because the fact is Twenty20 cricket at the international level has yet to take off and neither has the ICC seriously promoted and encouraged it but there is nothing wrong in experimenting at our levels if the chance arises," Zaidi said.
So far only one international Twenty20 match has been played between Australia and New Zealand while another is scheduled between England and Australia later this summer.