Contact information for Ukash Card Services with its free or geographic phone number. This information has been found through the company's General Terms. Acceptance of terms and conditions By purchasing a Ukash payment voucher or card and by subsequently submitting the encoded voucher or card number and. Ukash was a UK-based electronic money system that allowed users to exchange their cash for to load cards or e-wallets or for money transfer. Codes were distributed around the world by participating retail locations, kiosks and ATMs. Defunct : August.