The free Lebara sim including £10 credit is back in stock at Carphone Warehouse.
The max each person can get is 2 (i.e. you can use it to get £20 of free calls).
See My Post 29 to avoid sharing your card details.
+ £4 for each Lebrara free SIM ordered (limit of 2 SIMs per household, maximum £8 Lebrara cashback per Quidco member)
(quidco cashback offer expires in 3 days)
Test credit card numbers confirmed working as I have received mine today.