Rubbing salt in the wound as its poor annual result was published on the Companies Office, Yellow's Pages Group's White and Yellow websites went offline mid-morning.
The White Pages website was soon back online but around 1pm www.yellow.co.nz as still down [UPDATE: it was back at 1.30pm].
The Yellow site had a "down for maintenance" messange.
A spokeswoman was not able to say the cause of the problem. She said the immediate focus was getting the site back online. A further update was expected at 4pm.