EXHIBIT 3.7
                            CERTIFICATE OF FORMATION
                            ------------------------

                                       OF

                            MEDIACOM CALIFORNIA LLC
                            -----------------------


     The undersigned, an authorized natural person, for the purpose of forming a
limited liability company, under the provisions and subject to the requirements
of the State of Delaware (particularly Chapter 18, Title 6 of the Delaware Code
and the acts amendatory thereof and supplemental thereto, and known, identified,
and referred to as the "Delaware Limited Liability Company Act"), hereby
certifies that:

     FIRST:  The name of the limited liability company (hereinafter called the
"limited liability company") is Mediacom California LLC.

     SECOND:  The address of the registered office and the name and the address
of the registered agent of the limited liability company required to be
maintained by Section 18-104 of the Delaware Limited Liability Company Act are:
National Corporate Research, Ltd., 9 East Lockerman Street, Dover, Delaware
19901.



Executed on November 22, 1995



                                        /s/ David Lubin
                                      ------------------------
                                    David Lubin, Esq.
                                    Sole Organizer
                                    Cooperman Levitt Winikoff
                                         Lester & Newman, P.C.
                                    800 Third Avenue
                                    New York, New York 10022
                                    Authorized Person