EXHIBIT 99.4:     FORM OF LETTER TO BROKERS.


                                  TRICOM, S.A.
                            Ave. Lope De Vega No. 95
                        Santo Domingo, Dominican Republic


                                  [____], 2001


To:      Securities Dealers, Commercial Banks, Trust Companies, and Other
         Nominees

         This letter is being distributed to securities dealers, commercial
banks, trust companies and other nominees in connection with the offering (the
"Rights Offering") by TRICOM, S.A. ("TRICOM") of an aggregate of [ ] American
Depositary Shares, each representing one share of Class A common stock, par
value RD$10 per share ("ADS"), of TRICOM, at a subscription price of $[ ] per
ADS (the "Subscription Price"), pursuant to the exercise of non-transferable
subscription rights initially distributed on [____], 2001 ("Subscription
Rights'), to all holders of record of shares of TRICOM's ADSs as of the close of
business on _______________, 2001 (the "Record Date"). Each Subscription Right
also carries the right to oversubscribe at the Subscription Price for additional
ADSs limited to a percentage of the unsubscribed ADSs equal to a holder's
percentage ownership of our ADSs and Class B stock (subject to proration) on the
record date. The Subscription Rights are described in the enclosed prospectus
and evidenced by a Subscription Certificate registered in your name or in the
name of your nominee.


         Each beneficial owner of shares of ADSs registered in your name or the
name of your nominee is entitled to [ ] Subscription Rights for each ADS owned
by such beneficial owner. Shareholders may purchase one ADS for each
Subscription Right exercised. Shareholders may not purchase fractional ADSs, but
instead Subscription Rights will be rounded down to the nearest full
Subscription Right.


         We are asking you to contact your clients for whom you hold ADSs
registered in your or in the name of your nominee to obtain instructions with
respect to the Subscription Rights.

         Enclosed are copies of the following documents:
         1.  Prospectus;
         2.  Form of Letter from TRICOM to its Shareholders;
         3.  Instructions for Use of TRICOM, S.A. Subscription Certificates; and
         4.  return envelope
         addressed to The Bank of New York, as Subscription Agent.


         Your prompt action is requested. The Subscription Rights will expire at
5:00 P.M., New York City time, on [ ], 2001 (as it may be extended, the
"Expiration Date").


         To exercise Subscription Rights, properly completed and executed
Subscription Certificates and payment in full for all Subscription Rights
exercised must be delivered to The Bank of New York, as Subscription Agent (the
"Subscription Agent"), as indicated in the prospectus prior to the Expiration
Date.


         TRICOM will not pay any fees or commissions to any broker, dealer or
other person for soliciting subscriptions for Subscription Rights pursuant to
the Rights Offering, other than the




Subscription Agent and the information agent as described in the prospectus.


         Nothing contained herein or in the enclosed documents shall make you or
any other person the agent of TRICOM, the Subscription Agent, the information
agent or any affiliate of any of them, or authorize you or any other person to
make any statement or use any document on behalf of any of them in connection
with the Rights Offering other than the enclosed documents and the statements
contained therein.


         Additional copies of the enclosed materials may be obtained by
contacting TRICOM's, [           ], at [(   )    -    ].
                      -----------      -----  --- -----



                                          Sincerely,

                                          By:  /s/ MANUEL ARTURO PELLERANO PENA
                                              ----------------------------------
                                              Manuel Arturo Pellerano Pena
                                              Chairman of the Board of Directors
                                              and Chief Executive Officer



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