Optimising use of mobile phone in Spain

[DamienLynch]

Hi there

I am travelling to Valencia for 4 days - how do I check if I can use my phone there without incurring additional charges?
Many thanks 

[Chris_B]

@DamienLynch   If you took out this contract after the 1/7/21 you’ll get extra charges.     For 4 days away you’ll best of not purchasing the roam further and just use the standard £2 per day charge to use your tariff allowance while there.   
 
 You just need to text ROAMING to 150 to enable roaming on your account.  Do this now as there is no charge 

have a look at THIS 

if your a PAYG customers you can use your allowances without any extra charges and your already set to go