Re-connection nightmare ongoing

We went online to disconnet our ADSL line and ended up without ADSL and a landline. After numerous requests to have it reconnected it was indeed done, but now we have a different number. It has now been months requesting weekly almost, to have our old number back with promises that it will be done within the week. We are still waiting. I am at the end of my patience and wonder whether writing this review would even make a difference as this is a semi state owned institution.