Southern California Gas Company
Phone: 1-800-427-2200
Website: http://www.socalgas.com/index/

Addresses

To mail your bills:
      Southern California Gas Company
      P.O. Box C
      Monterey Park, CA 91756

For General Correspondence:
     Centralized Correspondence
     P.O. Box 3150 
     San Dimas, CA 91773