Pleathora of free sim cards available
A short and sweet post - if you’re looking for free PAYG sim cards - here you go!
o2: http://freesimo2.o2.co.uk/
Orange: http://shop.orange.co.uk/shop/freesimcard
Tesco: http://www.tm-standardplus.co.uk/
T-Mobile: http://www.t-mobilesimgiveaway.co.uk/
Virgin: http://www.virginmobile.co.uk/promo/duoSim.html