The season kicked off on 9 April 2006, with eleven rounds being played before the World Cup break on 5 June.
The league resumed on 2 July and the final round was played on 5 November 2006.
Strømsgodset were promoted to the Tippeligaen as First Division winners, along with Aalesund who finished second.
Strømsgodset will be playing in the top division for the first time since 2001.
12th-place finishers Molde defeated Moss in the playoff to retain their spot in the highest division.