Benefits of any RED plans can be used freely in the following EU countries
Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, French West Indies, Germany, Gibraltar, Greece, Guadeloupe, Hungary, Iceland, Ireland, Isle of Man *, Italy, Jersey *, Latvia, Liechtenstein, Lithuania, Luxembourg, Martinique, Monaco, Netherlands, Norway, Poland, Portugal, Reunion, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland *, UK.
* Even though these are not within the EU, customers on RED can still use their plans within these countries. Only Vodafone includes roaming in Isle of Man, Jersey and Switzerland in your plan.
Travelling outside the EU?
Check out Vodafone Traveller