UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date: November 16, 2006 12:00 P.M.
Form: S-1
CIK: 0001336047
Company Name: Boardwalk Pipeline Partners, LP
File Number: 333-137690
CIK: 0001262943
Company Name: BOARDWALK PIPELINES LP
File Number: 333-137690-01