This is for my brother. He is vulnerable ( mental health issues) quite naive and is being targeted by some dubious businesses. He is frequently rung up by people telling him for example that his roof needs work, his chimney is about to collapse etc. Luckily he tends to check with me but on a number of occasions has nearly fallen for this. His number is in the phone directory which doesn’t help. If anyone has managed to get their number changed I’d appreciate hearing how it’s done. Thanks