The 2006 Neighborhood Excellence 400 presented by Bank of America was the thirteenth race of the 2006 NASCAR Nextel Cup Series season.

It was held on Sunday, June 4, 2006, at Dover International Speedway in Dover, Delaware and contested over 400 laps and 400 miles (640 km) on the 1-mile (1.6 km) concrete oval.

Matt Kenseth of Roush Racing won the race, giving him his second win of the season.

Ricky Rudd made a brief return to the Cup Series in relief of Tony Stewart.

Failed to qualify: Carl Long (#34), Donnie Neuenberger (#52), Chad Chaffin (#61), and Stanton Barrett (#95).