Exhibit 99.4

                                  Offer to Exchange
                            8 1/8% Exchange Notes due 2004
                   for Any and All Outstanding 8 1/8% Notes due 2004
                            8 3/8% Exchange Notes due 2007
                   for Any and All Outstanding 8 3/8% Notes due 2007
                            8 7/8% Exchange Notes due 2017
                   for Any and All outstanding 8 7/8% Notes due 2017
                            8 1/2% Exchange Notes due 2027
                   for Any and All Outstanding 8 1/2% Notes due 2027
                                          of
                          Comcast Cable Communications, Inc.
                                           
To Our Clients:

    We are enclosing herewith a Prospectus, dated [             ], 1997, of 
Comcast Cable Communications, Inc., a Delaware corporation (the "Company"), 
and a related Letter of Transmittal (which together constitute the "Exchange 
Offer") relating to the offer by the Company to exchange its 8 1/8% Exchange 
Notes due 2004, 8 3/8% Exchange Notes due 2007, 8 7/8% Exchange Notes due 2017 
and 8 1/2% Exchange Notes due 2027 (collectively, the "New Notes"), pursuant 
to an offering registered under the Securities Act of 1933, as amended (the 
"Securities Act"), for a like principal amount of its issued and outstanding 
8 1/8% Notes due 2004, 8 3/8% Notes due 2007, 8 7/8% Notes due 2017 and 8 1/2% 
Notes due 2027 (collectively, the "Old Notes") upon the terms and subject to 
the conditions set forth in the Exchange Offer. 

    Please note that the Offer will expire at 5:00 p.m., New York City time, 
on [                   ], 1997, unless extended. 

    The Offer is not conditioned upon any minimum number of Old Notes being 
tendered. 

    We are the holder of record and/or participant in the book-entry transfer 
facility of Old Notes held by us for your account. A tender of such Old Notes 
can be made only by us as the record holder and/or participant in the 
book-entry transfer facility and pursuant to your instructions. The Letter of 
Transmittal is furnished to you for your information only and cannot be used 
by you to tender Old Notes held by us for your account. 

    We request instructions as to whether you wish to tender any or all of 
the Old Notes held by us for your account pursuant to the terms and 
conditions of the 


Exchange Offer. We also request that you confirm that we 
may on your behalf make the representations contained in the Letter of 
Transmittal. 

    Pursuant to the Letter of Transmittal, each holder of Old Notes will 
represent to the Company that (i) the New Notes acquired pursuant to the 
Exchange Offer are being acquired in the ordinary course of business of the 
person receiving such New Notes, whether or not such person is the holder, 
(ii) neither the holder of the Old Notes nor any such other person has an 
arrangement or understanding with any person to participate in the 
distribution of such New Notes, (iii) if the holder is not a broker-dealer or 
is a broker-dealer but will not receive New Notes for its own account in 
exchange for Old Notes, neither the holder nor any such other person is 
engaged in or intends to participate in a distribution of the New Notes and 
(iv) neither the holder nor any such other person is an "affiliate", as 
defined in Rule 405 under the Securities Act, of the Company.  If the 
tendering holder is a broker-dealer (whether or not it is also an 
"affiliate") that will receive New Notes for its own account in exchange for 
Old Notes, it represents that the Old Notes to be exchanged for the New Notes 
were acquired by it as a result of market-making activities or other trading 
activities, and acknowledges that it will deliver a prospectus meeting the 
requirements of the Securities Act in connection with any resale of such New 
Notes. By acknowledging that it will deliver and by delivering a prospectus 
meeting the requirements of the Securities Act in connection with any resale 
of such New Notes, the holder is not deemed to admit that it is an 
"underwriter" within the meaning of the Securities Act.

                                    Very truly yours,



                                    COMCAST CABLE COMMUNICATIONS, INC.












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