O2

I am from UK but currently in Africa. Phone stolen, Luckily I have a spare.I cannot call o2.The "robot" cannot answer a question.My queries:1. Can I email o2 and if so how? I did the "complaints" procedure to try and notify them of the loss and cance...

Can anybody advise me please:1. I am getting "wrong number" messages when calling 901. Is there another number to use from abroad?2. Can I talk to a human being and if so what number do I use from abroad?Many thanks!George.