Minimum Wage Competitiveness Act of 2006 - Amends the Fair Labor Standards Act of 1938 to increase the federal minimum wage to: (1) $6.00 an hour, beginning on the 60th day after enactment of this Act; (2) $6.75 an hour, beginning six months after that 60th day; and (3) $7.15 an hour, beginning 12 months after that 60th day.
Makes federal minimum wage requirements applicable to the Commonwealth of the Northern Mariana Islands. Sets forth a transition period during which a specified minimum wage there shall be gradually increased to equal the federal minimum wage.