VodafoneĀ“s press release yesterday refers to two tariff changes.
1. The new (permanent) international plan for calls from the UK only, which started today. Vodafone Pay as You Go call costs on the "Simply Tariff for Vodafone International" are given at the bottom of this link:
Vodafone UK Abolishes Roaming Charges for Summer and Permanently Cuts the Price Of Calling Abroad from the UK - Vodafone
USA, Canada, China: 5 ppm (Cost to call landline), 5 ppm (Cost to call mobile)
Plus new prices to some other countries.
2. The new Vodafone UK Passport plan, which begins on 1st June.
Vodafone Passport ? mobile phone calls when roaming abroad
Calling the USA from Spain will not be 5 ppm. Calling UK landline from Spain will be 5 ppm. Calling spanish landline from Spain will be 5 ppm.