Gulesider.no (yellow pages) is a telephone index of residents, businesses and institutions in Norway. It can be searched by name, address, phone number, etc.
The website contains a detailed map of Norway kart.gulesider.no. The map has several layers and one of them is a nautical chart. To turn on the chart, after loading the main map, select “sjøkart” from the drop-down list in the upper right corner named “sjøkart etc”.
Below is a brief instructional video (erlier version of the site is shown):