Issue with connecting to an Irish Landline from my Sky mobile and home phone

[Christine305]

I am both a Sky Mobile and Sky Talk customer.  My sister changed her landline provider in the Republic of Ireland last week and since then I have not been able to contact her.  Every time I try calling it suggests the phone number is not valid.   Despite this I can phone her from my work landline without issue so the issue cannot be her end.  Can anyone assist?

[caesarome]

What you need to do @Christine305 is to report this to Sky so it can be investigated by one of their teams. From either your landline phone or Sky Mobile the free number to call them on is just 150.

[Christine305]

Thank you.  That is really helpful.   

I had tried to get in touch online, but got nowhere!!