EXHIBIT 23.1


                        CONSENT OF INDEPENDENT AUDITORS

We consent to the incorporation by reference in the Registration Statement (Form
S-8 No. 33-44337) pertaining to the Employee Stock Purchase Plan of CTC
Communications Corp. and the Registration Statement (Form S-8 No. 333-17613)
pertaining to the 1996 Stock Option Plan of CTC Communications Corp. of our
report dated May 28, 1998, except for Note 1, as to which the date is July 15,
1998, with respect to the financial statements and schedule of CTC
Communications Corp. included in the Annual Report (Form 10-K) for the year
ended March 31, 1998.


                             /s/ ERNST & YOUNG LLP

                             ERNST & YOUNG LLP


Boston, Massachusetts
July 15, 1998